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Diffstat (limited to 'theories/Sets/Uniset.v')
| -rw-r--r-- | theories/Sets/Uniset.v | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/theories/Sets/Uniset.v b/theories/Sets/Uniset.v index 95ba93232..7940bda1a 100644 --- a/theories/Sets/Uniset.v +++ b/theories/Sets/Uniset.v @@ -13,7 +13,7 @@ (* G. Huet 1-9-95 *) (* Updated Papageno 12/98 *) -Require Import Bool. +Require Import Bool Permut. Set Implicit Arguments. @@ -140,8 +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. |