--- a/doc-src/TutorialI/Misc/document/case_exprs.tex Sun Aug 28 19:42:10 2005 +0200
+++ b/doc-src/TutorialI/Misc/document/case_exprs.tex Sun Aug 28 19:42:19 2005 +0200
@@ -7,6 +7,7 @@
\endisadelimtheory
%
\isatagtheory
+\isamarkupfalse%
%
\endisatagtheory
{\isafoldtheory}%
@@ -14,7 +15,6 @@
\isadelimtheory
%
\endisadelimtheory
-\isamarkuptrue%
%
\isamarkupsubsection{Case Expressions%
}
@@ -77,17 +77,17 @@
distinction over all constructors of the datatype suffices. This is performed
by \methdx{case_tac}. Here is a trivial example:%
\end{isamarkuptext}%
-\isamarkupfalse%
-\isacommand{lemma}\ {\isachardoublequote}{\isacharparenleft}case\ xs\ of\ {\isacharbrackleft}{\isacharbrackright}\ {\isasymRightarrow}\ {\isacharbrackleft}{\isacharbrackright}\ {\isacharbar}\ y{\isacharhash}ys\ {\isasymRightarrow}\ xs{\isacharparenright}\ {\isacharequal}\ xs{\isachardoublequote}\isanewline
+\isamarkuptrue%
+\isacommand{lemma}\isamarkupfalse%
+\ {\isachardoublequoteopen}{\isacharparenleft}case\ xs\ of\ {\isacharbrackleft}{\isacharbrackright}\ {\isasymRightarrow}\ {\isacharbrackleft}{\isacharbrackright}\ {\isacharbar}\ y{\isacharhash}ys\ {\isasymRightarrow}\ xs{\isacharparenright}\ {\isacharequal}\ xs{\isachardoublequoteclose}\isanewline
%
\isadelimproof
%
\endisadelimproof
%
\isatagproof
-\isamarkupfalse%
-\isacommand{apply}{\isacharparenleft}case{\isacharunderscore}tac\ xs{\isacharparenright}\isamarkuptrue%
-%
+\isacommand{apply}\isamarkupfalse%
+{\isacharparenleft}case{\isacharunderscore}tac\ xs{\isacharparenright}%
\begin{isamarkuptxt}%
\noindent
results in the proof state
@@ -98,15 +98,16 @@
\end{isabelle}
which is solved automatically:%
\end{isamarkuptxt}%
-\isamarkupfalse%
-\isacommand{apply}{\isacharparenleft}auto{\isacharparenright}%
+\isamarkuptrue%
+\isacommand{apply}\isamarkupfalse%
+{\isacharparenleft}auto{\isacharparenright}\isamarkupfalse%
+%
\endisatagproof
{\isafoldproof}%
%
\isadelimproof
%
\endisadelimproof
-\isamarkuptrue%
%
\begin{isamarkuptext}%
Note that we do not need to give a lemma a name if we do not intend to refer
@@ -127,12 +128,14 @@
\isa{xs} in the goal.
\end{warn}%
\end{isamarkuptext}%
+\isamarkuptrue%
%
\isadelimtheory
%
\endisadelimtheory
%
\isatagtheory
+\isamarkupfalse%
%
\endisatagtheory
{\isafoldtheory}%