diff options
Diffstat (limited to 'theories/Sets/Uniset.v')
-rw-r--r-- | theories/Sets/Uniset.v | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/theories/Sets/Uniset.v b/theories/Sets/Uniset.v index e297d97e..7940bda1 100644 --- a/theories/Sets/Uniset.v +++ b/theories/Sets/Uniset.v @@ -1,9 +1,11 @@ (************************************************************************) -(* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *) +(* <O___,, * (see CREDITS file for the list of authors) *) (* \VV/ **************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) (************************************************************************) (** Sets as characteristic functions *) @@ -11,7 +13,7 @@ (* G. Huet 1-9-95 *) (* Updated Papageno 12/98 *) -Require Import Bool. +Require Import Bool Permut. Set Implicit Arguments. @@ -138,8 +140,6 @@ Hint Resolve seq_right. (** Here we should make uniset an abstract datatype, by hiding [Charac], [union], [charac]; all further properties are proved abstractly *) -Require Import Permut. - Lemma union_rotate : forall x y z:uniset, seq (union x (union y z)) (union z (union x y)). Proof. |