diff options
author | 2007-09-30 19:02:14 +0000 | |
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committer | 2007-09-30 19:02:14 +0000 | |
commit | ef5551e4ca73a93c0820f03ac702ee96e5e7b431 (patch) | |
tree | 570513e9aaf31ae7a6864a1dbc944aecec844124 /theories/Init | |
parent | 83015147aac453effee4d5b1b6363b31c56edd84 (diff) |
Ajout infos de débogage de "universe inconsistency" quand option Set
Printing Universes est active.
Ajout de l'option "using" à la tactique non documentée "auto decomp".
Ajout de la base "extcore" pour étendre "auto decomp" avec des
principes élémentaires tels que le dépliage de "iff".
Quelques extensions/raffinements dans ChoiceFacts et ClassicalFacts.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10156 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'theories/Init')
-rw-r--r-- | theories/Init/Logic.v | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/theories/Init/Logic.v b/theories/Init/Logic.v index bdc8f9de6..8deb362cd 100644 --- a/theories/Init/Logic.v +++ b/theories/Init/Logic.v @@ -89,6 +89,8 @@ Theorem iff_sym : forall A B:Prop, (A <-> B) -> (B <-> A). End Equivalence. +Hint Unfold iff: extcore. + (** [(IF_then_else P Q R)], written [IF P then Q else R] denotes either [P] and [Q], or [~P] and [Q] *) |