annotate notes/tex/computation.tex @ 45:8e79d33bdece

small fixes
author Markus Kaiser <markus.kaiser@in.tum.de>
date Thu, 11 Jul 2013 22:06:34 +0200
parents c14b92bfa07f
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1 \defineUnit{tmdefinition}{%
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2 \begin{frame}
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3 \frametitle{Turingmaschinen}
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4 \setbeamercovered{dynamic}
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5
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6 \begin{definition}[Turingmaschine]
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7 Eine deterministische \alert{Turingmaschine (TM)} ist ein Tupel $M = (Q, \Sigma, \Gamma, \delta, q_0, \square, F)$ aus einer/einem
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8 \begin{itemize}
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9 \item endlichen Menge von \alert{Zuständen} $Q$
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10 \item endlichen \alert{Eingabealphabet} $\Sigma$
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11 \item endlichen \alert{Bandalphabet} $\Gamma$ mit $\Sigma \subset \Gamma$
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12 \item \alert{Übergangsfunktion} $\delta : Q \times \Gamma \to Q \times \Gamma \times \left\{ L, R, N \right\}$
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13 \item \alert{Startzustand} $q_0 \in Q$
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14 \item \alert{Leerzeichen} $\square \in \Gamma \setminus \Sigma$
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15 \item Menge von \alert{Endzuständen} $F \subseteq Q$
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16 \end{itemize}
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17 \end{definition}
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18 \end{frame}
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19 }
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20
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21 \defineUnit{tmvisualisierung}{%
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22 \begin{frame}
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23 \frametitle{Turingmaschinen}
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24 \setbeamercovered{dynamic}
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25
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26 \begin{definition}[Turingmaschine]
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27 Eine deterministische \alert{Turingmaschine (TM)} ist ein Tupel $M = (Q, \Sigma, \Gamma, \delta, q_0, \square, F)$ aus einer/einem
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28 \begin{itemize}
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29 \item \alert{Übergangsfunktion} $\delta : Q \times \Gamma \to Q \times \Gamma \times \left\{ L, R, N \right\}$
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30 \end{itemize}
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31 \end{definition}
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32
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33 \vfill
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34
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35 \begin{center}
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36 \begin{tikzpicture}
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37 % Tape
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38 \begin{scope}[start chain, node distance=0]
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39 \node[on chain] {\ldots};
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40 \node[tape] {$\square$};
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41 \node[tape] (l) {$\square$};
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42 \node[tape] {$0$};
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43 \node[tape] {$1$};
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44 \node<1>[tape, active] (a){$0$};
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45 \node<2>[tape] (a){$1$};
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46 \node<1>[tape] (b){$0$};
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47 \node<2>[tape, active] (b){$0$};
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48 \node[tape] {$\square$};
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49 \node[on chain] {\ldots};
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50 \end{scope}
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51
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52 % Head
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53 \node<1> [head,yshift=-4mm] at (a.south) (head) {$q_0$};
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54 \node<2> [head,yshift=-4mm] at (b.south) (head) {$q_1$};
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55
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56 % Machine
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57 \node[machine, below=1.5cm of l] (machine) {Programm};
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58 \draw[every edge] (machine) .. controls (3.5, -2) .. (head.south);
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59
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60 % Example-Transition
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61 \node[yshift=5mm] at (current bounding box.north) {$\delta(q_0, 0) = (q_1, 1, R)$};
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62 \end{tikzpicture}
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63 \end{center}
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64 \end{frame}
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65 }
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66
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67 \defineUnit{tmkonfiguration}{%
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68 \begin{frame}
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69 \frametitle{Turingmaschinen}
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70 \setbeamercovered{dynamic}
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71
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72 \begin{definition}[Konfiguration]
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73 Eine \alert{Konfiguration} ist ein Tripel $(\alpha, q, \beta) \in \Gamma^* \times Q \times \Gamma^*$. \\
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74 Dies modelliert eine TM mit:
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75 \begin{itemize}
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76 \item \alert{Bandinhalt} $\ldots\square\alpha\beta\square\ldots$
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77 \item \alert{Zustand} $q$
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78 \item Kopf auf dem \alert{ersten Zeichen} von $\beta\square$
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79 \end{itemize}
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80 Die \alert{Startkonfiguration} bei Eingabe $w \in \Sigma^*$ ist $(\epsilon, q_0, w)$.
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81 \end{definition}
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82
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83 \vfill
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84
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85 \only<1> {
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86 \begin{center}
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87 \begin{tikzpicture}
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88 % Tape
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89 \begin{scope}[start chain, node distance=0]
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90 \node[on chain] {\ldots};
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91 \node[tape] {$\square$};
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92 \node[tape] (l) {$\square$};
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93 \node[tape] {$0$};
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94 \node[tape] {$1$};
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95 \node[tape] (a){$1$};
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96 \node[tape, active] (b){$0$};
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97 \node[tape] {$\square$};
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98 \node[on chain] {\ldots};
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99 \end{scope}
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100
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101 % Head
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102 \node [head,yshift=-4mm] at (b.south) (head) {$q_1$};
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103
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104 % Machine
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105 \node[below=1.5cm of l] (machine) {};
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106 \draw[every edge, dashed] (machine) .. controls (3.5, -2) .. (head.south);
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107
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108 % Example-Transition
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109 \node[yshift=5mm] at (current bounding box.north) {$(011,q_1,0)$};
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110 \end{tikzpicture}
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111 \end{center}
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112 }
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113
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114 \only<2> {
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115 \begin{definition}[Akzeptanz]
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116 Eine TM $M$ \alert{akzeptiert} die Sprache
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117 \[ L(M) = \left\{ w \in \Sigma^* \mid \exists \alert{f \in F}, \alpha, \beta \in \Gamma^* . (\epsilon, q_0, w) \rightarrow_M^* (\alpha, \alert{f}, \beta) \right\} \]
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118 \end{definition}
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119 }
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120 \end{frame}
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121 }
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122
43
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123 \defineUnit{ndtm}{%
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124 \begin{frame}
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125 \frametitle{Nichtdeterministische TM}
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126 \setbeamercovered{dynamic}
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127
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128 \begin{definition}[Nichtdeterministische Turingmaschine]
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129 Eine \alert{nichtdeterministische} Turingmaschine (TM) ist ein Tupel $M = (Q, \Sigma, \Gamma, \delta, q_0, \square, F)$ aus einer/einem
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130 \begin{itemize}
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131 \item \ldots
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132 \item \alert{Übergangsfunktion} $\delta : Q \times \Gamma \to \mathcal{P} \left( Q \times \Gamma \times \left\{ L, R, N \right\} \right)$
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133 \item \ldots
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134 \end{itemize}
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135 \end{definition}
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136
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137 \vfill
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138
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139 \begin{theorem}
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140 Zu jeder nichtdeterministischen TM $N$ gibt es eine deterministische TM $M$ mit \alert{$L(N) = L(M)$}.
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141 \end{theorem}
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142 \end{frame}
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143 }
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144
41
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145 \defineUnit{chomsky}{%
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146 \begin{frame}[c]
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147 \frametitle{Chomsky-Hierarchie}
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148 \setbeamercovered{dynamic}
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149
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150 \begin{center}
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151 \begin{tikzpicture}[auto]
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152 \tikzstyle{rect} = [thick];
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153 \tikzstyle{caption} = [align=left, anchor=north west];
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154
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155 \draw[rect, tumblue, fill=tumblue!10] (5.5, 0) rectangle (-5.5, 7) node[caption] {Berechenbare Funktionen};
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156 \draw[rect, dashed, tumred, fill=tumred!10] (4.5, 0.3) rectangle (-4.5, 6) node[caption] {Typ 0 - Rekursiv aufzählbar\\Turingmaschinen, $\lambda$-Kalkül};
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157 \draw[rect, tumivory, fill=tumivory!10] (3.5, 0.6) rectangle (-3.5, 4.8) node[caption] {Typ 1 - Kontextsensitiv\\CSG};
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158 \draw[rect, tumorange, fill=tumorange!10] (2.5, 0.9) rectangle (-2.5, 3.6) node[caption] {Typ 2 - Kontextfrei\\PDA, CFG};
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159 \draw[rect, tumgreen, fill=tumgreen!10] (1.5, 1.2) rectangle (-1.5, 2.4) node[caption] {Typ 3 - Regulär\\DFA, RE};
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160 \end{tikzpicture}
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161 \end{center}
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162 \end{frame}
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163 }
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164
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165 \defineUnit{berechenbarkeit}{%
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166 \begin{frame}
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167 \frametitle{Berechenbarkeit}
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168 \setbeamercovered{dynamic}
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169
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170 \begin{definition}[Intuitive Berechenbarkeit]
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171 Eine Funktion $f : \N^k \to \N$ heißt \alert{intuitiv berechenbar}, wenn es einen Algorithmus gibt, der bei Eingabe $(n_1, \ldots, n_k) \in \N^k$
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172 \begin{itemize}
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173 \item nach \alert{endlich vielen Schritten} mit Ergebnis $f(n_1, \ldots, n_k)$ hält, falls $f(\ldots)$ definiert ist,
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174 \item und \alert{nicht terminiert}, falls $f(\ldots)$ nicht definiert ist.
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175 \end{itemize}
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176 \end{definition}
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177
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178 \vfill
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179
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180 \begin{block}{Churchsche These (nicht beweisbar)}
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181 Turing-Maschinen können genau \alert{alle} intuitiv berechenbaren Funktionen berechnen.
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182 \end{block}
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183 \end{frame}
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184 }
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185
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186 \defineUnit{berechenbarkeitbeispiel}{%
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187 \begin{frame}[c]
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188 \frametitle{Berechenbarkeit}
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189 \setbeamercovered{dynamic}
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190
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191 \begin{example}[Berechenbarkeit]
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192 Sind die folgenden Funktionen intuitiv berechenbar?
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193
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194 \begin{align*}
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195 f_1(n) &= \begin{cases}
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196 1 & \text{falls $n$ prim}\\
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197 0 & \text{sonst}
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198 \end{cases} \\
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199 f_2(n) &= \begin{cases}
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200 1 & \text{falls $n$ die ersten $n$ Ziffern von $\pi$ darstellt}\\
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201 0 & \text{sonst}
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202 \end{cases} \\
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203 f_3(n) &= \begin{cases}
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204 1 & \text{falls in $\pi$ $n$ Nullen am Stück vorkommen}\\
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205 0 & \text{sonst}
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206 \end{cases}
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207 \end{align*}
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208 \end{example}
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209 \end{frame}
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210 }
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211
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212 \defineUnit{pr}{%
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213 \begin{frame}
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214 \frametitle{Primitive Rekursion}
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215 \setbeamercovered{dynamic}
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216
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217 \begin{definition}[Basisfunktionen]
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218 \alert{Primitiv Rekursiv} sind:
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219 \begin{itemize}
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220 \item Die konstante Funktion \alert{0}
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221 \item Die \alert{Nachfolgerfunktion} $s(n) = n + 1$
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222 \item Die \alert{Projektionsfunktion} $\pi_i^k : \N^k \to \N, i \in [k]$
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223 \[ \pi_i^k(x_1, \ldots, x_k) = x_i \]
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224 \end{itemize}
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225 \end{definition}
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226
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227 \begin{definition}[Komposition]
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228 Sind $g$ und $h_i$ PR und $\bar{x} = (x_1, \ldots, x_n)$, dann ist auch \alert{$f$} PR:
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229 \[ f(\bar{x}) = \alert{g(h_1(\bar{x}), \ldots, h_k(\bar{x}))} \]
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230 \end{definition}
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231 \end{frame}
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232 }
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233
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234 \defineUnit{prrekursion}{%
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235 \begin{frame}
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236 \frametitle{Primitive Rekursion}
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237 \setbeamercovered{dynamic}
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238 \begin{block}{Basisfunktionen und Komposition}
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239 Schon \alert{PR} sind:
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240 \begin{itemize}
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241 \item Konstante: $0$
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242 \item Nachfolger: $s(n) = n + 1$
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243 \item Projektion: $\pi_i^k : \N^k \to \N$
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244 \item Komposition: $f(\bar{x}) = g(h_1(\bar{x}), \ldots, h_k(\bar{x}))$
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245 \end{itemize}
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246 \end{block}
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247 \begin{definition}[Primitive Rekursion] Das Schema der \alert{primitiven Rekursion} erzeugt aus $g$ und $h$ die Funktion \alert{$f$}: \begin{align*} f(0, \bar{x}) &= g(\bar{x}) \\ f(\alert{m + 1}, \bar{x}) &= h(f(\alert{m}, \bar{x}), \alert{m}, \bar{x}) \end{align*} \end{definition} \end{frame}
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248 }
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249
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250 \defineUnit{prprogramme}{%
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251 \begin{frame}
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252 \frametitle{PR-Programme}
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253 \setbeamercovered{dynamic}
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254
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255 U.a. diese Programme sind laut Vorlesung oder Übung PR:
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256 \begin{itemize}
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257 \item \alert{$add(x, y) = x + y$}
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258 \item \alert{$mult(x, y) = x \cdot y$}
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259 \item $pred(x) = \max \left\{ 0, x - 1 \right\}$
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260 \item \alert{$x \dot{-} y = \max \left\{ 0, x - y \right\}$}
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261 \item $div(x, y) = x \div y$ (Ganzzahldivision)
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262 \item $mod(x, y) = x \mod y$
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263 \vspace{1.5em}
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264 \item $tower(n) = 2^{2^{2^{\iddots}}}$ mit $tower(4) = 2^{16}$
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265 \item $sqr(x) = x^2$
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266 \item $twopow(n) = 2^n$
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267 \item $ifthen(n, a, b) = \begin{cases} a & n \neq 0 \\ b & n = 0 \end{cases}$
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268 \end{itemize}
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269 \end{frame}
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270 }
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271
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272 \defineUnit{prerweitert}{%
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273 \begin{frame}
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274 \frametitle{Erweitertes PR-Schema}
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275 \setbeamercovered{dynamic}
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276
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parents:
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277 \begin{definition}[Erweitertes PR-Schema]
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parents:
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278 Das \alert{erweiterte Schema der primitiven Rekursion} erlaubt
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279 \begin{align*}
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280 f(0, \bar{x}) &= t_0 \\
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281 f(m + 1, \bar{x}) &= t
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parents:
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282 \end{align*}
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parents:
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283 wobei
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284 \begin{itemize}
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285 \item $t_0$ enthält nur PR-Funktionen und die $x_i$
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parents:
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286 \item $t$ enthält nur \alert{$f(m, \bar{x})$}, PR Funktionen, \alert{$m$} und die $x_i$.
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parents:
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287 \end{itemize}
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288 \end{definition}
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289
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parents:
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290 \begin{theorem}
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parents:
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291 Das erweiterte Schema der primitiven Rekursion führt nicht aus \alert{PR} heraus.
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parents:
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292 \end{theorem}
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293 \end{frame}
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294 }
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295
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296 \defineUnit{tmif}{%
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297 \begin{frame}
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298 \frametitle{Programmieren mit TMs}
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299 \setbeamercovered{dynamic}
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300
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301 Sind $f_1$ und $f_2$ Endzustände von $M$, so bezeichnet
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302 \begin{center}
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parents:
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303 \begin{tikzpicture}
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parents:
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304 \node (M) at (0, 0) {$M$};
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parents:
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305 \node[above right=0.2cm and 1cm of M] (M1) {$M_1$};
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parents:
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306 \node[below right=0.2cm and 1cm of M] (M2) {$M_2$};
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parents:
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307 \coordinate[right of=M1] (M1s);
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
308 \coordinate[right of=M2] (M2s);
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parents:
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309
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parents:
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310 \draw[every edge] (-1, 0) -- (M);
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311 \draw[every edge] (M) -- node[above left] {$f_1$} (M1);
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parents:
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312 \draw[every edge] (M) -- node[below left] {$f_2$} (M2);
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parents:
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313 \draw[every edge] (M1) -- (M1s);
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
314 \draw[every edge] (M2) -- (M2s);
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parents:
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315 \end{tikzpicture}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
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316 \end{center}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
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317 eine \alert{Fallunterscheidung}.\\
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
318 \begin{example}[Band=0?]
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
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319 \begin{align*}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
320 \delta(q_0, 0) &= (q_0, 0, R) \\
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
321 \delta(q_0, \square) &= (ja, \square, L) \\
45
8e79d33bdece small fixes
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 43
diff changeset
322 \delta(q_0, a) &= (nein, a, N) \qquad \text{für } a \neq 0, \square
41
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
323 \end{align*}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
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324 \end{example}
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parents:
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325 \end{frame}
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parents:
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326 }
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parents:
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327
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
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328 \defineUnit{while}{%
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Markus Kaiser <markus.kaiser@in.tum.de>
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329 \begin{frame}
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330 \frametitle{WHILE-Programme}
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parents:
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331 \setbeamercovered{dynamic}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
332
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
333 \begin{definition}[WHILE-Programm]
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
334 Syntax von \alert{WHILE-Programmen}.\\
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
335 Es ist $X \in \left\{ x_0, x_1, \ldots \right\}$ und $C \in \N$.
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
336 \begin{align*}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
337 P &\rightarrow X := X + C \\
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
338 &\mid X := X - C \\
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
339 &\mid P; P \\
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
340 &\mid \alert{\mathbf{WHILE}\ X \neq 0 \ \mathbf{DO}\ P \ \mathbf{END}} \\
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
341 &\mid \textcolor{gray}{\mathbf{LOOP}\ X \ \mathbf{DO}\ P \ \mathbf{END}} \\
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
342 &\mid \textcolor{gray}{\mathbf{IF}\ X = 0 \ \mathbf{DO}\ P \ \mathbf{ELSE}\ Q \ \mathbf{END}}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
343 \end{align*}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
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344 \end{definition}
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parents:
diff changeset
345
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
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346 \begin{itemize}
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parents:
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347 \item Ausgabe steht in $x_0$, Eingaben in $x_1, \ldots, x_n$, Rest ist 0.
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
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348 \item Semantik wie erwartet.
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
349 \end{itemize}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
350 \end{frame}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
351 }
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
352
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
353 \defineUnit{goto}{%
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
354 \begin{frame}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
355 \frametitle{GOTO-Programme}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
356 \setbeamercovered{dynamic}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
357
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
358 \begin{definition}[GOTO-Programm]
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
359 Syntax von \alert{GOTO-Programmen}.\\
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
360 Es ist $X \in \left\{ x_0, x_1, \ldots \right\}$ und $C \in \N$. \\
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
361 Alle Anweisungen haben eine Markierung \alert{$M_1 : A_1; M_2 : A_2$}.
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
362 \begin{align*}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
363 P &\rightarrow X := X + C \\
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
364 &\mid X := X - C \\
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
365 &\mid P; P \\
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
366 &\mid \mathbf{GOTO}\ M_i \\
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
367 &\mid \mathbf{IF}\ X = 0 \ \mathbf{GOTO}\ M_i \\
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
368 &\mid \mathbf{HALT}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
369 \end{align*}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
370 \end{definition}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
371
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
372 \begin{itemize}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
373 \item Ausgabe steht in $x_0$, Eingaben in $x_1, \ldots, x_n$, Rest ist 0.
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
374 \end{itemize}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
375 \end{frame}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
376 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
377
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
378 \defineUnit{loop}{%
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
379 \begin{frame}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
380 \frametitle{LOOP-Programme}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
381 \setbeamercovered{dynamic}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
382
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
383 \begin{definition}[LOOP-Programm]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
384 Syntax von \alert{LOOP-Programmen}.\\
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
385 Es ist $X \in \left\{ x_0, x_1, \ldots \right\}$ und $C \in \N$.
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
386 \begin{align*}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
387 P &\rightarrow X := X + C \\
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
388 &\mid X := X - C \\
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
389 &\mid P; P \\
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
390 &\mid \mathbf{LOOP}\ X \ \mathbf{DO}\ P \ \mathbf{END} \\
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
391 &\mid \textcolor{gray}{\mathbf{IF}\ X = 0 \ \mathbf{DO}\ P \ \mathbf{ELSE}\ Q \ \mathbf{END}}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
392 \end{align*}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
393 \end{definition}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
394
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
395 \begin{itemize}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
396 \item Ausgabe steht in $x_0$, Eingaben in $x_1, \ldots, x_n$, Rest ist 0.
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
397 \item $\mathbf{LOOP}\ x_i \ \mathbf{DO}\ P \ \mathbf{END}$ führt $P$ genau $n$ mal aus, wobei $n$ der Anfangswert von $x_i$ ist. \alert{Zuweisungen an $x_i$ in $P$ ändern die Anzahl der Durchläufe nicht.}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
398 \end{itemize}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
399 \end{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
400 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
401
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
402 \defineUnit{prmax}{%
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
403 \begin{frame}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
404 \frametitle{Beschränkte Operationen}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
405 \setbeamercovered{dynamic}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
406 \begin{definition}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
407 Ein Prädikat $P$ ist \alert{PR}, wenn es eine PR Funktion $\hat{P}$ gibt mit
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
408 \[\hat{P}(x) = 1 \Longleftrightarrow P(x)\]
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
409 \end{definition}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
410
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
411 \begin{definition}[Beschränkte Operationen]
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
412 Ist $P$ PR, dann auch
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
413 \begin{itemize}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
414 \item der \alert{beschränkte max-Operator}
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
415 \[\max \left\{ x \alert{\leq n} \mid P(x) \right\}, \quad \max \left\{ \emptyset \right\} = 0\]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
416 \item der \alert{beschränkte Existenzquantor}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
417 \[\exists x \alert{\leq n}. P(x)\]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
418 \end{itemize}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
419 \end{definition}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
420 \end{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
421 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
422
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
423 \defineUnit{murekursion}{%
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
424 \begin{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
425 \frametitle{$\mu$-Rekursion}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
426 \setbeamercovered{dynamic}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
427
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
428 \begin{definition}[$\mu$-Operator]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
429 Sei $f: \N^{k+1} \to \N$ eine Funktion.\\Der \alert{$\mu$-Operator} definiert eine neue Funktion $\mu f : \N^k \to \N$:
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
430 \[(\mu f)(\bar{x}) := \begin{cases} \min \left\{ n \in \N \mid \alert{f (n, \bar{x}) = 0}\right\} & \text{falls } n \text{ existent\alert{$^*$}} \\ \perp & \text{sonst}\end{cases}\]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
431 \end{definition}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
432
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
433 \vfill
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
434
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
435 \begin{itemize}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
436 \item \alert{$^*$}Für alle \alert{$m \leq n$} muss $f$ definiert sein: $f(m, \bar{x}) \neq \perp$
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
437 \item PR + $\mu$ = $\mu$-Rekursion
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
438 \item In Pseudocode:
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
439 \begin{align*}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
440 \mu f(\bar{x}) &= find(0, \bar{x}) \\
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
441 find(n, \bar{x}) &= \mathbf{if}\ f(n, \bar{x}) = 0 \ \mathbf{then}\ n \ \mathbf{else}\ find(n+1, \bar{x})
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
442 \end{align*}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
443 \end{itemize}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
444 \end{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
445 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
446
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
447 \defineUnit{modelluebersetzungen}{%
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
448 \begin{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
449 \frametitle{Übersetzungen}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
450 \setbeamercovered{dynamic}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
451
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
452 \begin{center}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
453 \begin{tikzpicture}[node distance=2.5cm]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
454 \node (WH) {WHILE};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
455 \node (GO) [above left of = WH] {GOTO};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
456 \node (TM) [above right of = WH] {TM};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
457 \node (LO) [below of = WH] {LOOP};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
458 \node (PR) [left of = LO] {PR};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
459 \node (MR) [left of = WH] {$\mu$R};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
460
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
461 \draw [every edge, ->] (LO) -- (WH);
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
462 \draw [every edge, ->] (PR) -- (MR);
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
463 \draw [every edge, tumgreen, <->] (LO) -- (PR);
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
464 \draw [every edge, tumgreen, <->] (WH) -- (MR);
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
465 \draw [every edge, <->] (WH) -- (GO);
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
466 \draw [every edge, ->] (WH) -- (TM);
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
467 \draw [every edge, ->] (TM) -- (GO);
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
468 \end{tikzpicture}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
469 \end{center}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
470
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
471 \vfill
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
472
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
473 LOOP kann in WHILE \alert{übersetzt} werden, WHILE ist also \alert{mindestens so mächtig} wie LOOP (sogar mächtiger).
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
474 \end{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
475 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
476
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
477 \defineUnit{entscheidbarkeit}{%
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
478 \begin{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
479 \frametitle{Entscheidbarkeit}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
480 \setbeamercovered{dynamic}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
481
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
482 \begin{definition}[Entscheidbarkeit]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
483 Eine Menge $A$ heißt \alert{entscheidbar} gdw ihre \alert{charakteristische Funktion}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
484 \[ \chi_A(x) := \begin{cases}1 & \text{falls } x \in A \\ 0 & \text{falls } x \not \in A \end{cases} \]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
485 berechenbar ist.
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
486 \end{definition}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
487
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
488 \begin{definition}[Semi-Entscheidbarkeit]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
489 Eine Menge $A$ heißt \alert{semi-entscheidbar} gdw
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
490 \[ \chi'_A(x) := \begin{cases}1 & \text{falls } x \in A \\ \perp & \text{falls } x \not \in A \end{cases} \]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
491 berechenbar ist.
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
492 \end{definition}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
493 \end{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
494 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
495
43
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
496 \defineUnit{breduktion}{%
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
497 \begin{frame}
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
498 \frametitle{Reduzierbarkeit}
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
499 \setbeamercovered{dynamic}
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
500
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
501 \begin{definition}[Reduzierbarkeit]
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
502 Eine Menge $A \subseteq \Sigma^*$ ist \alert{reduzierbar} auf eine Menge $B \subseteq \Gamma^*$ gdw es eine totale und berechenbare Funktion $f:\Sigma^* \to \Gamma^*$ gibt mit
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
503 \[\forall w \in \Sigma^*. w \in A \Longleftrightarrow f(w) \in B\]
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
504 Wir schreiben dann \alert{$A \leq B$}.
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
505 \end{definition}
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
506
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
507 \vfill
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
508
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
509 \structure{Intuition}:
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
510 \begin{itemize}
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
511 \item $B$ ist \alert{mindestens so schwer} zu lösen wie $A$
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
512 \item Ist $A$ unlösbar, dann auch $B$.
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
513 \item Ist $B$ unlösbar, dann erst recht $A$.
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
514 \end{itemize}
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
515 \end{frame}
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
516 }
c14b92bfa07f add missing slides; correct some errors
Markus Kaiser <markus.kaiser@in.tum.de>
parents: 41
diff changeset
517
41
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
518 \defineUnit{spezielleshalteproblem}{%
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
519 \begin{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
520 \frametitle{Spezielles Halteproblem}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
521 \setbeamercovered{dynamic}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
522
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
523 \begin{definition}[Spezielles Halteproblem]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
524 Gegeben ein \structure{Wort} $w \in \left\{ 0, 1 \right\}^*$.\\
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
525 Hält \alert{$M_w$} bei Eingabe \alert{$w$}?
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
526 \[\alert{K} := \left\{ w \mid M_w[w]\downarrow \right\}\]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
527 \end{definition}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
528
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
529 \begin{theorem}[]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
530 Das spezielle Halteproblem ist \alert{nicht entscheidbar}.
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
531 \end{theorem}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
532
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
533 \vfill
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
534
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
535 \begin{itemize}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
536 \item Hält eine Turingmaschine mit sich selbst als Eingabe?
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
537 \item $w$ ist die \structure{Gödelisierung} von $M_w$.
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
538 \item $K$ ist semi-entscheidbar, $\overline{K}$ \alert{nicht}.
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
539 \end{itemize}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
540 \end{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
541 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
542
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
543 \defineUnit{halteproblem}{%
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
544 \begin{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
545 \frametitle{Allgemeines Halteproblem}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
546 \setbeamercovered{dynamic}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
547
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
548 \begin{definition}[Allgemeines Halteproblem]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
549 Gegeben \structure{Wörter} $w, x \in \left\{ 0, 1 \right\}^*$.\\
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
550 Hält \alert{$M_w$} bei Eingabe \alert{$x$}?
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
551 \[\alert{H} := \left\{ w\#x \mid M_w[x]\downarrow \right\}\]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
552 \end{definition}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
553
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
554 \begin{theorem}[]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
555 Das allgemeine Halteproblem ist \alert{nicht entscheidbar}.
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
556 \end{theorem}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
557
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
558 \vfill
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
559
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
560 \begin{itemize}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
561 \item Es ist $K \leq H$. Warum?
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
562 \end{itemize}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
563 \end{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
564 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
565
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
566 \defineUnit{aufzaehlbarkeit}{%
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
567 \begin{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
568 \frametitle{Rekursive Aufzählbarkeit}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
569 \setbeamercovered{dynamic}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
570
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
571 \begin{definition}[Rekursiv aufzählbar]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
572 Eine Menge $A$ heißt \alert{rekursiv aufzählbar} wenn $A = \emptyset$ oder es eine \alert{berechenbare} totale Funktion $f : \N \to A$ gibt, so dass
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
573 \[A = \left\{ f(0), f(1), \ldots \right\} = \bigcup_{n \in \N} \left\{ f(n) \right\}\]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
574 \end{definition}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
575
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
576 \vfill
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
577
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
578 \structure{Äquivalent:}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
579 \begin{itemize}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
580 \item $A$ rekursiv aufzählbar
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
581 \item $A$ semi-entscheidbar, also $\chi'_A$ berechenbar
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
582 \item $A=L(M)$ für eine TM $M$
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
583 \item $A$ ist Bild oder Urbild einer berechenbaren Funktion
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
584 \end{itemize}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
585 \end{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
586 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
587
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
588 \defineUnit{rice}{%
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
589 \begin{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
590 \frametitle{Satz von Rice}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
591 \setbeamercovered{dynamic}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
592
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
593 \begin{theorem}[Rice]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
594 Sei $F$ eine Menge berechenbarer Funktionen.\\
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
595 Sei weder $F = \emptyset$ noch $F = \text{alle ber. Funktionen}$ (\alert{$F$ nicht trivial}).\\
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
596 Dann ist \alert{unentscheidbar}, ob die von einer gegebenen TM $M_w$ berechnete Funktion in $F$ ist, also ob \alert{$\varphi_w \in F$}.
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
597 \end{theorem}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
598
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
599 \begin{itemize}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
600 \item Nicht-triviale \alert{semantische} Eigenschaften von Programmen sind unentscheidbar.
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
601 \item \alert{Termination} ist unentscheidbar.
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
602 \end{itemize}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
603
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
604 \vfill
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
605
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
606 \structure{Rice-Shapiro:}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
607 \begin{itemize}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
608 \item Termination ist nicht semi-entscheidbar.
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
609 \item Nicht-Termination ist nicht semi-entscheidbar.
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
610 \end{itemize}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
611 \end{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
612 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
613
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
614 \defineUnit{pcp}{%
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
615 \begin{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
616 \frametitle{PCP}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
617 \setbeamercovered{dynamic}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
618
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
619 \begin{definition}[Postsches Korrespondenzproblem]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
620 Gegeben \structure{endliche Folge} $(x_1, y_1), \ldots, (x_k, y_k)$ mit $x_i, y_i \in \Sigma^+$.\\
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
621 Gibt es eine \alert{Folge von Indizes} $i_1, \ldots, i_n \in \left\{ 1, \ldots, k \right\}$ mit \alert{\[x_{i_1}, \ldots, x_{i_n} = y_{i_1}, \ldots, y_{i_n}\]}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
622 \end{definition}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
623
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
624 \vfill
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
625
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
626 \begin{center}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
627 \begin{tikzpicture}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
628 \begin{scope}[start chain, node distance=2em]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
629 \node[tape, active] {\pcp{$x_i$}{$y_i$}};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
630 \node[tape] (a) {\pcp{$001$}{$00$}};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
631 \node[tape] (b) {\pcp{$10$}{$11$}};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
632 \node[tape] (c) {\pcp{$1$}{$01$}};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
633 \end{scope}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
634 \node[below of=a] {$1$};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
635 \node[below of=b] {$2$};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
636 \node[below of=c] {$3$};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
637 \end{tikzpicture}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
638 \end{center}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
639
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
640 \vfill
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
641
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
642 \begin{theorem}[]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
643 Das PCP ist \alert{unentscheidbar}, aber semi-entscheidbar.
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
644 \end{theorem}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
645 \end{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
646 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
647
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
648 \defineUnit{pcpbeispiel}{%
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
649 \begin{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
650 \frametitle{PCP lösen}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
651 \setbeamercovered{dynamic}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
652
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
653 \begin{block}{Idee}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
654 \alert{Mögliche Lösungen} aufzählen, richtige Lösungen identifizieren
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
655 \end{block}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
656
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
657 \begin{center}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
658 \begin{tikzpicture}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
659 \begin{scope}[start chain, node distance=2em]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
660 \node[tape, active] {\pcp{$x_i$}{$y_i$}};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
661 \node[tape] (a) {\pcp{$001$}{$00$}};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
662 \node[tape] (b) {\pcp{$01$}{$10$}};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
663 \node[tape] (c) {\pcp{$1$}{$11$}};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
664 \end{scope}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
665 \node[below of=a] {$1$};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
666 \node[below of=b] {$2$};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
667 \node[below of=c] {$3$};
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
668 \end{tikzpicture}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
669
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
670 \vspace{2em}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
671
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
672 \begin{tikzpicture}[grow=right, level distance = 2cm]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
673 \tikzstyle{every node} = []
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
674 \tikzstyle{residual} = [rectangular, thin, fill=tumgreen!10, font=\scriptsize]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
675 \tikzstyle{edge from parent} = [every edge]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
676
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
677 \tikzstyle{level 1} = [sibling distance = 1.7cm]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
678 \tikzstyle{level 2} = [sibling distance = 1.1cm]
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
679
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
680 \node[residual] {}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
681 child {
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
682 node[residual] {\pcp{$1$}{}}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
683 child {
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
684 node[residual] {\pcp{$1$}{}}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
685 child {
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
686 node[residual] {\pcp{$1$}{}}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
687 child {
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
688 node[residual]{$\ldots$}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
689 edge from parent
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
690 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
691 edge from parent
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
692 node[below] {$2$}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
693 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
694 child {
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
695 node[residual, active] {\pcp{}{}}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
696 edge from parent
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
697 node[above] {$3$}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
698 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
699 edge from parent
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
700 node[below] {$2$}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
701 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
702 child {
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
703 node[residual, active] {\pcp{}{}}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
704 edge from parent
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
705 node[above] {$3$}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
706 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
707 edge from parent
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
708 node[below] {$1$}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
709 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
710 child {
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
711 node[residual]{\pcp{}{$1$}}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
712 child {
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
713 node[residual]{\pcp{}{$11$}}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
714 child {
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
715 node[residual]{$\ldots$}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
716 edge from parent
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
717 node[above] {$3$}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
718 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
719 edge from parent
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
720 node[above] {$3$}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
721 }
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
722 edge from parent
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
723 node[above] {$3$}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
724 };
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
725
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
726 \uncover<2>{\node at (10cm, 0) {$L = \left\{ (12^*3)^+ \right\}$};}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
727 \end{tikzpicture}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
728 \end{center}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
729 \end{frame}
5d10471f5585 move frame-definitions out of presentations
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff changeset
730 }