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annotate src/Tactics.v @ 50:a21eb02cc7c6

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Recursive predicates
author Adam Chlipala <adamc@hcoop.net>
date Sun, 28 Sep 2008 11:57:15 -0400
parents 95e24b629ad9
children 9ceee967b1fc
rev   line source
adamc@2 1 (* Copyright (c) 2008, Adam Chlipala
adamc@2 2 *
adamc@2 3 * This work is licensed under a
adamc@2 4 * Creative Commons Attribution-Noncommercial-No Derivative Works 3.0
adamc@2 5 * Unported License.
adamc@2 6 * The license text is available at:
adamc@2 7 * http://creativecommons.org/licenses/by-nc-nd/3.0/
adamc@2 8 *)
adamc@2 9
adamc@2 10 Require Import List.
adamc@2 11
adamc@38 12 Require Omega.
adamc@38 13
adamc@2 14
adamc@50 15 Ltac simplHyp :=
adamc@50 16 match goal with
adamc@50 17 | [ H : S _ = S _ |- _ ] => injection H; clear H; intros; subst
adamc@50 18 end.
adamc@50 19
adamc@2 20 Ltac rewriteHyp :=
adamc@2 21 match goal with
adamc@2 22 | [ H : _ |- _ ] => rewrite H
adamc@2 23 end.
adamc@2 24
adamc@2 25 Ltac rewriterP := repeat (rewriteHyp; autorewrite with cpdt in *).
adamc@2 26
adamc@2 27 Ltac rewriter := autorewrite with cpdt in *; rewriterP.
adamc@2 28
adamc@2 29 Hint Rewrite app_ass : cpdt.
adamc@2 30
adamc@50 31 Ltac sintuition := simpl in *; intuition; try simplHyp.
adamc@2 32
adamc@38 33 Ltac crush := sintuition; rewriter; sintuition; try omega.