# HG changeset patch # User paulson # Date 1111505545 -3600 # Node ID 4c7bba41483afde238b33a2749d4811c0b6d878b # Parent cdf6eeb4ac27a776ec05605bc7f37a9ffa494733 auto update diff -r cdf6eeb4ac27 -r 4c7bba41483a doc-src/TutorialI/Rules/rules.tex --- a/doc-src/TutorialI/Rules/rules.tex Tue Mar 22 16:31:51 2005 +0100 +++ b/doc-src/TutorialI/Rules/rules.tex Tue Mar 22 16:32:25 2005 +0100 @@ -2430,7 +2430,7 @@ Explain the use of \isa? and \isa+ in this proof. \begin{isabelle} \isacommand{lemma}\ "\isasymlbrakk P\isasymand Q\isasymlongrightarrow R;\ P\isasymlongrightarrow Q;\ P\isasymrbrakk \ \isasymLongrightarrow \ R"\isanewline -\isacommand{by}\ (drule\ mp,\ intro?,\ assumption+)+ +\isacommand{by}\ (drule\ mp,\ (intro conjI)?,\ assumption+)+ \end{isabelle} \end{exercise}