--- a/slides/slides08.tex	Thu Nov 27 18:18:36 2025 +0000
+++ b/slides/slides08.tex	Thu Dec 04 21:33:25 2025 +0000
@@ -158,37 +158,6 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%   
 
 
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\begin{frame}[t,fragile]
-
-\small
-\begin{textblock}{13}(-0.5,1)
-\begin{lstlisting}[numbers=none]
-def mkeps(r: Rexp) : Val = r match {
-  ...
-  case PLUS(r) => Stars(List(mkeps(r))) 
-  case OPTIONAL(r) => Stars(Nil)
-  case NTIMES(r, n) => Stars(List.fill(n)(mkeps(r)))
-}
-
-def inj(r: Rexp, c: Char, v: Val) : Val = (r, v) match {
-  ...
-  case (RANGE(_), Empty) => Chr(c)
-  case (PLUS(r), Sequ(v1, Stars(vs))) => Stars(inj(r, c, v1)::vs)
-  case (OPTIONAL(r), v) => Stars(inj(r, c, v)::Nil)
-  case (NTIMES(r, n), Sequ(v1, Stars(vs))) => Stars(inj(r, c, v1)::vs)
-}
-\end{lstlisting}
-\end{textblock}
-
-
-\begin{textblock}{5}(3,13.5)
-\bl{$r^? \dn r^{\{0..1\}}$}
-\end{textblock}
-
-\end{frame}
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%   
-
 
 
 % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%