diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/refman/RefMan-tac.tex | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/doc/refman/RefMan-tac.tex b/doc/refman/RefMan-tac.tex index a2d02a4ca8..4f4c88d01b 100644 --- a/doc/refman/RefMan-tac.tex +++ b/doc/refman/RefMan-tac.tex @@ -671,8 +671,8 @@ H}{\it n} or {\tt X}{\it n} is a fresh identifier. In both cases, the new subgoal is $U$. If the goal is neither a product nor starting with a let definition, -the tactic {\tt intro} applies the tactic {\tt red} until the tactic -{\tt intro} can be applied or the goal is not reducible. +the tactic {\tt intro} applies the tactic {\tt hnf} until the tactic +{\tt intro} can be applied or the goal is not head-reducible. \begin{ErrMsgs} \item \errindex{No product even after head-reduction} @@ -2916,7 +2916,8 @@ $\beta\iota\zeta$-reduction rules. This tactic applies to any goal. It replaces the current goal with its head normal form according to the $\beta\delta\iota\zeta$-reduction rules, i.e. it reduces the head of the goal until it becomes a -product or an irreducible term. +product or an irreducible term. All inner $\beta\iota$-redexes are also +reduced. \Example The term \verb+forall n:nat, (plus (S n) (S n))+ is not reduced by {\tt hnf}. |