From 59e88b40722aaae442e11fceca31f8df62583e0b Mon Sep 17 00:00:00 2001 From: herbelin Date: Tue, 2 Oct 2001 15:04:57 +0000 Subject: Orthographe git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@8241 85f007b7-540e-0410-9357-904b9bb8a0f7 --- doc/RefMan-ltac.tex | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/doc/RefMan-ltac.tex b/doc/RefMan-ltac.tex index 9ad394e5f6..3ceb30e692 100644 --- a/doc/RefMan-ltac.tex +++ b/doc/RefMan-ltac.tex @@ -330,6 +330,10 @@ We have the failing tactic:\\ It always fails and leaves the goal unchanged. It does not appear in the proof script and can be catched by {\sf Try}. +{\sf Error message:}\\ + +{\tt Fail tactic always fails (level $n$)}. + \subsubsection{Pattern matching on proof contexts} We can make pattern matching on proof contexts using the following @@ -559,11 +563,11 @@ table~\ref{permutlem}. \label{permutlem} \end{table} -\subsection{Deciding intuitionnistic propositional logic} +\subsection{Deciding intuitionistic propositional logic} The pattern matching on proof contexts allows a complete and so a powerful backtracking when returning tactic values. An interesting application is the -problem of deciding intuitionnistic propositional logic. Considering the +problem of deciding intuitionistic propositional logic. Considering the contraction-free sequent calculi {\sf LJT*} of Roy~Dyckhoff (\cite{Dyc92}), it is quite natural to code such a tactic using the tactic language as shown in table~\ref{tautoltac}. The tactic {\sf Axioms} tries to conclude using usual @@ -618,7 +622,7 @@ for the left implication to get rid of the contraction and the right or). \>\>\>\>\>{\sf |[|-?$\bs{}$/?] ->}\\ \>\>\>\>\>\>\>{\sf (Left;TautoProp) Orelse (Right;TautoProp).} \end{tabbing}}} -\caption{Deciding intuitionnistic propositions} +\caption{Deciding intuitionistic propositions} \label{tautoltac} \end{table} -- cgit v1.2.3