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authorGravatar Samuel Mimram <samuel.mimram@ens-lyon.org>2004-07-28 21:54:47 +0000
committerGravatar Samuel Mimram <samuel.mimram@ens-lyon.org>2004-07-28 21:54:47 +0000
commit6b649aba925b6f7462da07599fe67ebb12a3460e (patch)
tree43656bcaa51164548f3fa14e5b10de5ef1088574 /contrib/cc/CCSolve.v
Imported Upstream version 8.0pl1upstream/8.0pl1
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+(************************************************************************)
+(* v * The Coq Proof Assistant / The Coq Development Team *)
+(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
+(* \VV/ **************************************************************)
+(* // * This file is distributed under the terms of the *)
+(* * GNU Lesser General Public License Version 2.1 *)
+(************************************************************************)
+
+(* $Id: CCSolve.v,v 1.4.2.1 2004/07/16 19:29:58 herbelin Exp $ *)
+
+Ltac CCsolve :=
+ repeat
+ match goal with
+ | H:?X1 |- ?X2 =>
+ let Heq := fresh "Heq" in
+ (assert (Heq : X2 = X1); [ congruence | rewrite Heq; exact H ])
+ | H:?X1,G:(?X2 -> ?X3) |- _ =>
+ let Heq := fresh "Heq" in
+ (assert (Heq : X2 = X1);
+ [ congruence
+ | rewrite Heq in G; generalize (G H); clear G; intro G ])
+ end.