diff options
Diffstat (limited to 'theories/Sets/Powerset_facts.v')
| -rwxr-xr-x | theories/Sets/Powerset_facts.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/theories/Sets/Powerset_facts.v b/theories/Sets/Powerset_facts.v index c587744a3..91018f05e 100755 --- a/theories/Sets/Powerset_facts.v +++ b/theories/Sets/Powerset_facts.v @@ -254,7 +254,7 @@ Qed. Lemma setcover_intro : forall (U:Type) (A x y:Ensemble U), Strict_Included U x y -> - ~ ( exists z : _ | Strict_Included U x z /\ Strict_Included U z y) -> + ~ (exists z : _, Strict_Included U x z /\ Strict_Included U z y) -> covers (Ensemble U) (Power_set_PO U A) y x. Proof. intros; apply Definition_of_covers; auto with sets. |