diff options
Diffstat (limited to 'theories/Logic/JMeq.v')
| -rw-r--r-- | theories/Logic/JMeq.v | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/theories/Logic/JMeq.v b/theories/Logic/JMeq.v index 530e05559..b557a7867 100644 --- a/theories/Logic/JMeq.v +++ b/theories/Logic/JMeq.v @@ -28,9 +28,11 @@ Arguments JMeq_refl {A x} , [A] x. Hint Resolve JMeq_refl. +Definition JMeq_hom {A : Type} (x y : A) := JMeq x y. + Lemma JMeq_sym : forall (A B:Type) (x:A) (y:B), JMeq x y -> JMeq y x. -Proof. -destruct 1; trivial. +Proof. +intros; destruct H; trivial. Qed. Hint Immediate JMeq_sym. |