From cfbfe13f5b515ae2e3c6cdd97e2ccee03bc26e56 Mon Sep 17 00:00:00 2001 From: Stephane Glondu Date: Sun, 1 Feb 2009 00:54:40 +0100 Subject: Imported Upstream version 8.2~rc2+dfsg --- test-suite/success/rewrite_iterated.v | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 test-suite/success/rewrite_iterated.v (limited to 'test-suite/success/rewrite_iterated.v') diff --git a/test-suite/success/rewrite_iterated.v b/test-suite/success/rewrite_iterated.v new file mode 100644 index 00000000..962dada3 --- /dev/null +++ b/test-suite/success/rewrite_iterated.v @@ -0,0 +1,30 @@ +Require Import Arith Omega. + +Lemma test : forall p:nat, p<>0 -> p-1+1=p. +Proof. + intros; omega. +Qed. + +(** Test of new syntax for rewrite : ! ? and so on... *) + +Lemma but : forall a b c, a<>0 -> b<>0 -> c<>0 -> + (a-1+1)+(b-1+1)+(c-1+1)=a+b+c. +Proof. +intros. +rewrite test. +Undo. +rewrite test,test. +Undo. +rewrite 2 test. (* or rewrite 2test or rewrite 2!test *) +Undo. +rewrite 2!test,2?test. +Undo. +(*rewrite 4!test. --> error *) +rewrite 3!test. +Undo. +rewrite <- 3?test. +Undo. +(*rewrite <-?test. --> loops*) +rewrite !test by auto. +reflexivity. +Qed. -- cgit v1.2.3