diff options
| author |  Enrico Tassi <gareuselesinge@debian.org> | 2015-01-25 14:42:51 +0100 |
|---|---|---|
| committer | Enrico Tassi <gareuselesinge@debian.org> | 2015-01-25 14:42:51 +0100 |
| commit | 7cfc4e5146be5666419451bdd516f1f3f264d24a (patch) | |
| tree | e4197645da03dc3c7cc84e434cc31d0a0cca7056 /theories/Bool/Bool.v | |
| parent | 420f78b2caeaaddc6fe484565b2d0e49c66888e5 (diff) | |
Imported Upstream version 8.5~beta1+dfsg
Diffstat (limited to 'theories/Bool/Bool.v')
| -rw-r--r-- | theories/Bool/Bool.v | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/theories/Bool/Bool.v b/theories/Bool/Bool.v index 5ec8f806..cc12cf47 100644 --- a/theories/Bool/Bool.v +++ b/theories/Bool/Bool.v @@ -1,6 +1,6 @@ (************************************************************************) (* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2014 *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) @@ -458,16 +458,22 @@ Notation demorgan4 := orb_andb_distrib_l (only parsing). (** Absorption *) -Lemma absoption_andb : forall b1 b2:bool, b1 && (b1 || b2) = b1. +Lemma absorption_andb : forall b1 b2:bool, b1 && (b1 || b2) = b1. Proof. destr_bool. Qed. -Lemma absoption_orb : forall b1 b2:bool, b1 || b1 && b2 = b1. +Lemma absorption_orb : forall b1 b2:bool, b1 || b1 && b2 = b1. Proof. destr_bool. Qed. +(* begin hide *) +(* Compatibility *) +Notation absoption_andb := absorption_andb (only parsing). +Notation absoption_orb := absorption_orb (only parsing). +(* end hide *) + (*********************************) (** * Properties of [xorb] *) (*********************************) |