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    31   \LARGE Compilers and \\[-1mm]   | 
    31   \LARGE Compilers and \\[-1mm]   | 
    32   \LARGE Formal Languages (1)\\[-3mm]   | 
    32   \LARGE Formal Languages (1)\\[-3mm]   | 
    33   \end{tabular}} | 
    33   \end{tabular}} | 
    34   | 
    34   | 
    35   \begin{center} | 
    35   \begin{center} | 
    36   \includegraphics[scale=0.3]{pics/ante1.jpg}\hspace{5mm} | 
    36   %\includegraphics[scale=0.3]{pics/ante1.jpg}\hspace{5mm} | 
    37   \includegraphics[scale=0.31]{pics/ante2.jpg}\\ | 
    37   %\includegraphics[scale=0.31]{pics/ante2.jpg}\\ | 
    38   \footnotesize\textcolor{gray}{Antikythera automaton, 100 BC (Archimedes?)} | 
    38   %\footnotesize\textcolor{gray}{Antikythera automaton, 100 BC (Archimedes?)} | 
    39   \end{center} | 
    39   \end{center} | 
    40   | 
    40   | 
    41 \normalsize  | 
    41 \normalsize  | 
    42   \begin{center} | 
    42   \begin{center} | 
    43   \begin{tabular}{ll} | 
    43   \begin{tabular}{ll} | 
   654 \begin{frame}[c] | 
   654 \begin{frame}[c] | 
   655 \frametitle{The Meaning of Matching} | 
   655 \frametitle{The Meaning of Matching} | 
   656   | 
   656   | 
   657 \begin{bubble}[10cm] | 
   657 \begin{bubble}[10cm] | 
   658 \large  | 
   658 \large  | 
   659 A regular expression \bl{$r$} matches a string \bl{$s$}  | 
   659 A regular expression \bl{$r$} matches a string~\bl{$s$}  | 
   660 provided  | 
   660 provided  | 
   661   | 
   661   | 
   662 \begin{center} | 
   662 \begin{center} | 
   663 \bl{$s \in L(r)$}\\  | 
   663 \bl{$s \in L(r)$}\\  | 
   664 \end{center} | 
   664 \end{center} |