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Diffstat (limited to 'doc/refman/RefMan-tac.tex')
| -rw-r--r-- | doc/refman/RefMan-tac.tex | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/doc/refman/RefMan-tac.tex b/doc/refman/RefMan-tac.tex index dd45feebc..01dc1dec9 100644 --- a/doc/refman/RefMan-tac.tex +++ b/doc/refman/RefMan-tac.tex @@ -263,6 +263,16 @@ Defined. This tactic behaves like {\tt refine}, but it does not shelve any subgoal. It does not perform any beta-reduction either. +\item {\tt notypeclasses refine \term}\tacindex{notypeclasses refine} + + This tactic behaves like {\tt refine} except it performs typechecking + without resolution of typeclasses. + +\item {\tt simple notypeclasses refine \term}\tacindex{simple + notypeclasses refine} + + This tactic behaves like {\tt simple refine} except it performs typechecking + without resolution of typeclasses. \end{Variants} \subsection{\tt apply \term} @@ -1278,7 +1288,7 @@ in the list of subgoals remaining to prove. In particular, \texttt{pose proof {\term} as {\ident}} behaves as \texttt{assert ({\ident} := {\term})} and \texttt{pose proof {\term} - as {\intropattern}\tacindex{pose proof}} is the same as applying + as {\intropattern}} is the same as applying the {\intropattern} to {\term}. \item \texttt{enough ({\ident} :\ {\form})}\tacindex{enough} @@ -3493,8 +3503,7 @@ hints of the database named {\tt core}. \item {\tt auto with *} - Uses all existing hint databases, minus the special database - {\tt v62}. See Section~\ref{Hints-databases} + Uses all existing hint databases. See Section~\ref{Hints-databases} \item \texttt{auto using} \nterm{lemma}$_1$ {\tt ,} {\ldots} {\tt ,} \nterm{lemma}$_n$ @@ -3718,12 +3727,14 @@ command to add a hint to some databases \ident$_1$, \dots, \ident$_n$ is The {\hintdef} is one of the following expressions: \begin{itemize} -\item {\tt Resolve \term} +\item {\tt Resolve \term {\zeroone{{\tt |} \zeroone{\num} \zeroone{\pattern}}}} \comindex{Hint Resolve} This command adds {\tt simple apply {\term}} to the hint list with the head symbol of the type of \term. The cost of that hint is - the number of subgoals generated by {\tt simple apply {\term}}. + the number of subgoals generated by {\tt simple apply {\term}} or \num + if specified. The associated pattern is inferred from the conclusion + of the type of \term or the given \pattern if specified. %{\tt auto} actually uses a slightly modified variant of {\tt simple apply} with use_metas_eagerly_in_conv_on_closed_terms set to false In case the inferred type of \term\ does not start with a product @@ -3907,7 +3918,7 @@ Abort. \comindex{Hint Cut} \textit{Warning:} these hints currently only apply to typeclass proof search and - the \texttt{typeclasses eauto} tactic. + the \texttt{typeclasses eauto} tactic (\ref{typeclasseseauto}). This command can be used to cut the proof-search tree according to a regular expression matching paths to be cut. The grammar for regular @@ -3999,8 +4010,8 @@ Several hint databases are defined in the \Coq\ standard library. The actual content of a database is the collection of the hints declared to belong to this database in each of the various modules currently loaded. Especially, requiring new modules potentially extend a -database. At {\Coq} startup, only the {\tt core} and {\tt v62} -databases are non empty and can be used. +database. At {\Coq} startup, only the {\tt core} database is non empty +and can be used. \begin{description} @@ -4035,18 +4046,8 @@ databases are non empty and can be used. from the \texttt{Classes} directory. \end{description} -There is also a special database called {\tt v62}. It collects all -hints that were declared in the versions of {\Coq} prior to version -6.2.4 when the databases {\tt core}, {\tt arith}, and so on were -introduced. The purpose of the database {\tt v62} is to ensure -compatibility with further versions of {\Coq} for developments done in -versions prior to 6.2.4 ({\tt auto} being replaced by {\tt auto with v62}). -The database {\tt v62} is intended not to be extended (!). It is not -included in the hint databases list used in the {\tt auto with *} tactic. - -Furthermore, you are advised not to put your own hints in the -{\tt core} database, but use one or several databases specific to your -development. +You are advised not to put your own hints in the {\tt core} database, +but use one or several databases specific to your development. \subsection{\tt Remove Hints \term$_1$ \mbox{\dots} \term$_n$ :~ \ident$_1$ \mbox{\dots} \ident$_m$} |