diff options
Diffstat (limited to 'theories/Logic/JMeq.v')
| -rw-r--r-- | theories/Logic/JMeq.v | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/theories/Logic/JMeq.v b/theories/Logic/JMeq.v index 95640d67..753009e6 100644 --- a/theories/Logic/JMeq.v +++ b/theories/Logic/JMeq.v @@ -1,13 +1,11 @@ (************************************************************************) (* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2011 *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(*i $Id: JMeq.v 14641 2011-11-06 11:59:10Z herbelin $ i*) - (** John Major's Equality as proposed by Conor McBride Reference: @@ -26,6 +24,8 @@ Inductive JMeq (A:Type) (x:A) : forall B:Type, B -> Prop := Set Elimination Schemes. +Arguments JMeq_refl {A x} , [A] x. + Hint Resolve JMeq_refl. Lemma JMeq_sym : forall (A B:Type) (x:A) (y:B), JMeq x y -> JMeq y x. @@ -113,8 +113,7 @@ apply JMeq_refl. Qed. Lemma eq_dep_strictly_stronger_JMeq : - exists U, exists P, exists p, exists q, exists x, exists y, - JMeq x y /\ ~ eq_dep U P p x q y. + exists U P p q x y, JMeq x y /\ ~ eq_dep U P p x q y. Proof. exists bool. exists (fun _ => True). exists true. exists false. exists I. exists I. |