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authorGravatar Enrico Tassi <gareuselesinge@debian.org>2015-01-25 14:42:51 +0100
committerGravatar Enrico Tassi <gareuselesinge@debian.org>2015-01-25 14:42:51 +0100
commit7cfc4e5146be5666419451bdd516f1f3f264d24a (patch)
treee4197645da03dc3c7cc84e434cc31d0a0cca7056 /theories/Logic/JMeq.v
parent420f78b2caeaaddc6fe484565b2d0e49c66888e5 (diff)
Imported Upstream version 8.5~beta1+dfsg
Diffstat (limited to 'theories/Logic/JMeq.v')
-rw-r--r--theories/Logic/JMeq.v8
1 files changed, 5 insertions, 3 deletions
diff --git a/theories/Logic/JMeq.v b/theories/Logic/JMeq.v
index 36e2d100..98cddf0a 100644
--- a/theories/Logic/JMeq.v
+++ b/theories/Logic/JMeq.v
@@ -1,6 +1,6 @@
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
-(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2014 *)
+(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
@@ -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.