proposition: Lemma cvg_app_entourageP T (f : T -> M) F (FF : Filter F) p : f @ F --> p <-> forall A, entourage A -> \forall t \near F, A (p, f t).
proof: Proof. exact: cvg_entourageP. Qed.
imports: HB(structures) mathcomp(all_ssreflect all_algebra finmap generic_quotient) mathcomp(boolp classical_sets functions) mathcomp(cardinality mathcomp_extra fsbigop) reals signed