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    56 \begin{frame}[c,fragile] | 
    56 \begin{frame}[c,fragile] | 
    57 \frametitle{The Fun Language} | 
    57 \frametitle{The Fun Language} | 
    58   | 
    58   | 
    59 \footnotesize  | 
    59 \footnotesize  | 
    60 \begin{textblock}{13}(0.9,3) | 
    60 \begin{textblock}{13}(0.9,3) | 
    61 \begin{lstlisting}[]numbers=none] | 
    61 \begin{lstlisting}[numbers=none] | 
    62 def fib(n) = if n == 0 then 0   | 
    62 def fib(n) = if n == 0 then 0   | 
    63              else if n == 1 then 1   | 
    63              else if n == 1 then 1   | 
    64              else fib(n - 1) + fib(n - 2);  | 
    64              else fib(n - 1) + fib(n - 2);  | 
    65   | 
    65   | 
    66 def fact(n) = if n == 0 then 1 else n * fact(n - 1);  | 
    66 def fact(n) = if n == 0 then 1 else n * fact(n - 1);  |