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author | Stephane Glondu <steph@glondu.net> | 2009-02-01 00:54:40 +0100 |
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committer | Stephane Glondu <steph@glondu.net> | 2009-02-01 00:54:40 +0100 |
commit | cfbfe13f5b515ae2e3c6cdd97e2ccee03bc26e56 (patch) | |
tree | b7832bd5d412a5a5d69cb36ae2ded62c71124c22 /test-suite/success/rewrite_iterated.v | |
parent | 113b703a695acbe31ac6dd6a8c4aa94f6fda7545 (diff) |
Imported Upstream version 8.2~rc2+dfsgupstream/8.2.rc2+dfsg
Diffstat (limited to 'test-suite/success/rewrite_iterated.v')
-rw-r--r-- | test-suite/success/rewrite_iterated.v | 30 |
1 files changed, 30 insertions, 0 deletions
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. |