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Diffstat (limited to 'doc')
-rw-r--r-- | doc/refman/RefMan-tac.tex | 65 |
1 files changed, 32 insertions, 33 deletions
diff --git a/doc/refman/RefMan-tac.tex b/doc/refman/RefMan-tac.tex index 67830750e..488ca5f5d 100644 --- a/doc/refman/RefMan-tac.tex +++ b/doc/refman/RefMan-tac.tex @@ -2671,39 +2671,6 @@ n}| assumption || symmetry; try assumption]}. \end{Variants} -\subsection{\tt reflexivity} -\label{reflexivity} -\tacindex{reflexivity} - -This tactic applies to a goal that has the form {\tt t=u}. It checks -that {\tt t} and {\tt u} are convertible and then solves the goal. -It is equivalent to {\tt apply refl\_equal}. - -\begin{ErrMsgs} -\item \errindex{The conclusion is not a substitutive equation} -\item \errindex{Impossible to unify \dots\ with \dots} -\end{ErrMsgs} - -\subsection{\tt symmetry} -\tacindex{symmetry} - -This tactic applies to a goal that has the form {\tt t=u} and changes it -into {\tt u=t}. - -\begin{Variants} -\item {\tt symmetry in \ident} \tacindex{symmetry in} - -If the statement of the hypothesis {\ident} has the form {\tt t=u}, -the tactic changes it to {\tt u=t}. -\end{Variants} - -\subsection{\tt transitivity \term} -\tacindex{transitivity} - -This tactic applies to a goal that has the form {\tt t=u} -and transforms it into the two subgoals -{\tt t={\term}} and {\tt {\term}=u}. - \subsection{\tt subst \ident} \tacindex{subst} @@ -4156,6 +4123,38 @@ subgoals $f=f'$ and $a_1=a'_1$ and so on up to $a_n=a'_n$. Amongst these subgoals, the simple ones (e.g. provable by reflexivity or congruence) are automatically solved by {\tt f\_equal}. +\subsection{\tt reflexivity} +\label{reflexivity} +\tacindex{reflexivity} + +This tactic applies to a goal that has the form {\tt t=u}. It checks +that {\tt t} and {\tt u} are convertible and then solves the goal. +It is equivalent to {\tt apply refl\_equal}. + +\begin{ErrMsgs} +\item \errindex{The conclusion is not a substitutive equation} +\item \errindex{Impossible to unify \dots\ with \dots} +\end{ErrMsgs} + +\subsection{\tt symmetry} +\tacindex{symmetry} + +This tactic applies to a goal that has the form {\tt t=u} and changes it +into {\tt u=t}. + +\begin{Variants} +\item {\tt symmetry in \ident} \tacindex{symmetry in} + +If the statement of the hypothesis {\ident} has the form {\tt t=u}, +the tactic changes it to {\tt u=t}. +\end{Variants} + +\subsection{\tt transitivity \term} +\tacindex{transitivity} + +This tactic applies to a goal that has the form {\tt t=u} +and transforms it into the two subgoals +{\tt t={\term}} and {\tt {\term}=u}. \section{Equality and inductive sets} |