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| author |  msozeau <msozeau@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2008-04-28 09:27:17 +0000 |
|---|---|---|
| committer | msozeau <msozeau@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2008-04-28 09:27:17 +0000 |
| commit | 3478ffda0a0a83951db341eb68fc6b71877c1392 (patch) | |
| tree | 7e4bc66924da99168e75bcc5b4e614190d68aa9b /theories/ZArith/Zpow_facts.v | |
| parent | 7a4ccdc7eb1a6afd21768963a249ec3617584482 (diff) | |
Backtrack on using metas eagerly in auto, only done in "new auto" for
now. Fix proof scripts that failed correspondingly. Should make many
contribs compile again...
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10863 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'theories/ZArith/Zpow_facts.v')
| -rw-r--r-- | theories/ZArith/Zpow_facts.v | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/theories/ZArith/Zpow_facts.v b/theories/ZArith/Zpow_facts.v index 9524bd44f..8f86fdf79 100644 --- a/theories/ZArith/Zpow_facts.v +++ b/theories/ZArith/Zpow_facts.v @@ -171,6 +171,7 @@ Qed. Theorem Zpower_ge_0: forall x y, 0 <= x -> 0 <= x^y. Proof. intros x y; case y; auto with zarith. + simpl ; auto with zarith. intros p H1; assert (H: 0 <= Zpos p); auto with zarith. generalize H; pattern (Zpos p); apply natlike_ind; auto with zarith. intros p1 H2 H3 _; unfold Zsucc; rewrite Zpower_exp; simpl; auto with zarith. |