diff options
| author |  sacerdot <sacerdot@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2004-09-29 13:06:57 +0000 |
|---|---|---|
| committer | sacerdot <sacerdot@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2004-09-29 13:06:57 +0000 |
| commit | a3ebf0bc16223643a7cdf5da69b4c6a319bad73c (patch) | |
| tree | 7cc42c68030f0c8177773b8956ccd9266f06d38f /theories/Setoids | |
| parent | bef5058398fc59c4b010977967d9a58730e62e1b (diff) | |
impl is a reflexive relation (it used to be areflexive).
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@6154 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'theories/Setoids')
| -rw-r--r-- | theories/Setoids/Setoid.v | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/theories/Setoids/Setoid.v b/theories/Setoids/Setoid.v index 7d8196a72..1bf729055 100644 --- a/theories/Setoids/Setoid.v +++ b/theories/Setoids/Setoid.v @@ -608,9 +608,13 @@ Add Morphism not : Not_Morphism. tauto. Qed. +Theorem impl_refl: reflexive _ impl. + hnf; unfold impl; tauto. +Qed. + (* THE ASYMMETRIC AREFLEXIVE RELATION impl WITH A FEW MORPHISMS *) -Add Relation Prop impl. +Add Relation Prop impl reflexivity proved by impl_refl. Add Morphism impl with signature impl --> impl ++> impl as Impl_Morphism2. unfold impl; tauto. |