diff options
| author |  msozeau <msozeau@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2008-04-15 13:19:33 +0000 |
|---|---|---|
| committer | msozeau <msozeau@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2008-04-15 13:19:33 +0000 |
| commit | 44e7deb7c82ec2ddddf551a227c67a76ccb3009a (patch) | |
| tree | 1f5b7f0b0684059930e0567b2cecc194c1869aec /theories/Classes/Equivalence.v | |
| parent | 07e03e167c7eda30ffc989530470b5c597beaedc (diff) | |
- Add "Global" modifier for instances inside sections with the usual
semantics.
- Add an Equivalence instance for pointwise equality from an
Equivalence on the codomain of a function type, used by default when
comparing functions with the Setoid's ===/equiv.
- Partially fix the auto hint database "add" function where the exact
same lemma could be added twice (happens when doing load for example).
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10797 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'theories/Classes/Equivalence.v')
| -rw-r--r-- | theories/Classes/Equivalence.v | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/theories/Classes/Equivalence.v b/theories/Classes/Equivalence.v index 4f794af3f..6270fb43b 100644 --- a/theories/Classes/Equivalence.v +++ b/theories/Classes/Equivalence.v @@ -178,4 +178,14 @@ Section Respecting. symmetry. auto. Qed. -End Respecting.
\ No newline at end of file +End Respecting. + +(** The default equivalence on function spaces. *) + +Program Instance [ Equivalence A eqA ] => + pointwise_equivalence : Equivalence (B -> A) (pointwise_relation eqA). + + Next Obligation. + Proof. + transitivity (y x0) ; auto. + Qed. |