diff options
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. |