From a3ebf0bc16223643a7cdf5da69b4c6a319bad73c Mon Sep 17 00:00:00 2001 From: sacerdot Date: Wed, 29 Sep 2004 13:06:57 +0000 Subject: 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 --- theories/Setoids/Setoid.v | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'theories/Setoids') 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. -- cgit v1.2.3