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| author |  Stephane Glondu <steph@glondu.net> | 2013-05-08 18:03:54 +0200 |
|---|---|---|
| committer | Stephane Glondu <steph@glondu.net> | 2013-05-08 18:03:54 +0200 |
| commit | db38bb4ad9aff74576d3b7f00028d48f0447d5bd (patch) | |
| tree | 09dafc3e5c7361d3a28e93677eadd2b7237d4f9f /theories/Bool/Zerob.v | |
| parent | 6e34b272d789455a9be589e27ad3a998cf25496b (diff) | |
| parent | 499a11a45b5711d4eaabe84a80f0ad3ae539d500 (diff) | |
Merge branch 'experimental/upstream' into upstream
Diffstat (limited to 'theories/Bool/Zerob.v')
| -rw-r--r-- | theories/Bool/Zerob.v | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/theories/Bool/Zerob.v b/theories/Bool/Zerob.v index e67ba677..e8798d0d 100644 --- a/theories/Bool/Zerob.v +++ b/theories/Bool/Zerob.v @@ -1,17 +1,15 @@ (************************************************************************) (* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2011 *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(*i $Id: Zerob.v 14641 2011-11-06 11:59:10Z herbelin $ i*) - Require Import Arith. Require Import Bool. -Open Local Scope nat_scope. +Local Open Scope nat_scope. Definition zerob (n:nat) : bool := match n with @@ -39,4 +37,4 @@ Hint Resolve zerob_false_intro: bool. Lemma zerob_false_elim : forall n:nat, zerob n = false -> n <> 0. Proof. destruct n; [ inversion 1 | auto with bool ]. -Qed.
\ No newline at end of file +Qed. |