diff --git a/theories/gmultiset.v b/theories/gmultiset.v index bb799aba3c7e3a3cad561b4a05986617e7d01960..075af94c5844ab6d910c51e6a19b0a5edffe07ee 100644 --- a/theories/gmultiset.v +++ b/theories/gmultiset.v @@ -568,7 +568,7 @@ Section more_lemmas. Lemma gmultiset_union_subset_r X Y : X ≠∅ → Y ⊂ X ⊎ Y. Proof. multiset_solver. Qed. - Lemma gmultiset_elem_of_singleton_subseteq x X : x ∈ X ↔ {[+ x +]} ⊆ X. + Lemma gmultiset_singleton_subseteq_l x X : {[+ x +]} ⊆ X ↔ x ∈ X. Proof. multiset_solver. Qed. Lemma gmultiset_elem_of_subseteq X1 X2 x : x ∈ X1 → X1 ⊆ X2 → x ∈ X2.