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Diffstat (limited to 'contrib/cc/CCSolve.v')
| -rw-r--r-- | contrib/cc/CCSolve.v | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/contrib/cc/CCSolve.v b/contrib/cc/CCSolve.v new file mode 100644 index 00000000..fab6f775 --- /dev/null +++ b/contrib/cc/CCSolve.v @@ -0,0 +1,22 @@ +(************************************************************************) +(* 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. |