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-rw-r--r--theories/FSets/FSetToFiniteSet.v6
1 files changed, 3 insertions, 3 deletions
diff --git a/theories/FSets/FSetToFiniteSet.v b/theories/FSets/FSetToFiniteSet.v
index 9dd5f2739b..747fd3796c 100644
--- a/theories/FSets/FSetToFiniteSet.v
+++ b/theories/FSets/FSetToFiniteSet.v
@@ -82,7 +82,7 @@ Module S_to_Finite_set (U:UsualOrderedType)(M:S with Module E := U).
Lemma add_Add : forall x s, !!(add x s) === Add _ (!!s) x.
Proof.
unfold Same_set, Included, mkEns, In.
- split; intro; set_iff; inversion 1; auto with sets.
+ split; intro; set_iff; inversion 1; unfold E.eq; auto with sets.
inversion H0.
constructor 2; constructor.
constructor 1; auto.
@@ -97,7 +97,7 @@ Module S_to_Finite_set (U:UsualOrderedType)(M:S with Module E := U).
inversion H0.
constructor 2; constructor.
constructor 1; auto.
- red in H; rewrite H.
+ red in H; rewrite H; unfold E.eq in *.
inversion H0; auto.
inversion H1; auto.
Qed.
@@ -105,7 +105,7 @@ Module S_to_Finite_set (U:UsualOrderedType)(M:S with Module E := U).
Lemma remove_Subtract : forall x s, !!(remove x s) === Subtract _ (!!s) x.
Proof.
unfold Same_set, Included, mkEns, In.
- split; intro; set_iff; inversion 1; auto with sets.
+ split; intro; set_iff; inversion 1; unfold E.eq in *; auto with sets.
split; auto.
swap H1.
inversion H2; auto.