--- a/doc-src/TutorialI/Ifexpr/document/Ifexpr.tex Sun Jan 30 20:48:50 2005 +0100
+++ b/doc-src/TutorialI/Ifexpr/document/Ifexpr.tex Tue Feb 01 18:01:57 2005 +0100
@@ -100,17 +100,10 @@
\end{isamarkuptext}%
\isamarkuptrue%
\isacommand{lemma}\ {\isachardoublequote}valif\ {\isacharparenleft}bool{\isadigit{2}}if\ b{\isacharparenright}\ env\ {\isacharequal}\ value\ b\ env{\isachardoublequote}\isamarkupfalse%
-%
-\begin{isamarkuptxt}%
-\noindent
-The proof is canonical:%
-\end{isamarkuptxt}%
\isamarkuptrue%
-\isacommand{apply}{\isacharparenleft}induct{\isacharunderscore}tac\ b{\isacharparenright}\isanewline
+\isamarkupfalse%
\isamarkupfalse%
-\isacommand{apply}{\isacharparenleft}auto{\isacharparenright}\isanewline
\isamarkupfalse%
-\isacommand{done}\isamarkupfalse%
%
\begin{isamarkuptext}%
\noindent