proposition: Lemma isaprop_isSetOfOpen_finite_intersection : isaprop isSetOfOpen_finite_intersection.
proof: Proof. apply (impred_isaprop _ (λ _, isapropimpl _ _ (propproperty _))). Qed.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.Topology.Filters UniMath.Algebra.Groups UniMath.Algebra.DivisionRig UniMath.Algebra.ConstructiveStructures