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-rw-r--r--theories/FSets/FSetInterface.v5
-rw-r--r--theories/FSets/FSetWeakInterface.v7
2 files changed, 7 insertions, 5 deletions
diff --git a/theories/FSets/FSetInterface.v b/theories/FSets/FSetInterface.v
index 3868e84ce3..9d5f2ad76f 100644
--- a/theories/FSets/FSetInterface.v
+++ b/theories/FSets/FSetInterface.v
@@ -153,7 +153,7 @@ Module Type S.
Section Spec.
Variable s s' s'' : t.
- Variable x y z : elt.
+ Variable x y : elt.
(** Specification of [In] *)
Parameter In_1 : E.eq x y -> In x s -> In y s.
@@ -254,6 +254,8 @@ Module Type S.
Parameter partition_2 : compat_bool E.eq f ->
snd (partition f s) [=] filter (fun x => negb (f x)) s.
+ End Filter.
+
(** Specification of [elements] *)
Parameter elements_1 : In x s -> InA E.eq x (elements s).
Parameter elements_2 : InA E.eq x (elements s) -> In x s.
@@ -275,7 +277,6 @@ Module Type S.
(* Parameter choose_equal:
(equal s s')=true -> E.eq (choose s) (choose s'). *)
- End Filter.
End Spec.
(* begin hide *)
diff --git a/theories/FSets/FSetWeakInterface.v b/theories/FSets/FSetWeakInterface.v
index 27e4a5ccf7..81d148b4ed 100644
--- a/theories/FSets/FSetWeakInterface.v
+++ b/theories/FSets/FSetWeakInterface.v
@@ -132,8 +132,8 @@ Module Type S.
Section Spec.
- Variable s s' s'' : t.
- Variable x y z : elt.
+ Variable s s' : t.
+ Variable x y : elt.
(** Specification of [In] *)
Parameter In_1 : E.eq x y -> In x s -> In y s.
@@ -226,6 +226,8 @@ Module Type S.
compat_bool E.eq f ->
Equal (snd (partition f s)) (filter (fun x => negb (f x)) s).
+ End Filter.
+
(** Specification of [elements] *)
Parameter elements_1 : In x s -> InA E.eq x (elements s).
Parameter elements_2 : InA E.eq x (elements s) -> In x s.
@@ -235,7 +237,6 @@ Module Type S.
Parameter choose_1 : choose s = Some x -> In x s.
Parameter choose_2 : choose s = None -> Empty s.
- End Filter.
End Spec.
Hint Immediate In_1.