--- a/doc-src/TutorialI/Misc/document/let_rewr.tex Tue Aug 29 15:13:10 2000 +0200
+++ b/doc-src/TutorialI/Misc/document/let_rewr.tex Tue Aug 29 15:43:29 2000 +0200
@@ -1,11 +1,12 @@
-\begin{isabelle}%
+%
+\begin{isabellebody}%
\isacommand{lemma}\ {\isachardoublequote}{\isacharparenleft}let\ xs\ {\isacharequal}\ {\isacharbrackleft}{\isacharbrackright}\ in\ xs{\isacharat}ys{\isacharat}xs{\isacharparenright}\ {\isacharequal}\ ys{\isachardoublequote}\isanewline
\isacommand{by}{\isacharparenleft}simp\ add{\isacharcolon}\ Let{\isacharunderscore}def{\isacharparenright}%
\begin{isamarkuptext}%
If, in a particular context, there is no danger of a combinatorial explosion
of nested \isa{let}s one could even add \isa{Let_def} permanently:%
\end{isamarkuptext}%
-\isacommand{lemmas}\ {\isacharbrackleft}simp{\isacharbrackright}\ {\isacharequal}\ Let{\isacharunderscore}def\end{isabelle}%
+\isacommand{lemmas}\ {\isacharbrackleft}simp{\isacharbrackright}\ {\isacharequal}\ Let{\isacharunderscore}def\end{isabellebody}%
%%% Local Variables:
%%% mode: latex
%%% TeX-master: "root"