proposition: Lemma near_filter_onE T (F : filter_on T) (P : set T) : (\forall x \near F, P x) = \forall x \near filter F, P x.
proof: Proof. by []. Qed.
imports: HB(structures) mathcomp(all_ssreflect all_algebra finmap generic_quotient) mathcomp(boolp classical_sets functions) mathcomp(cardinality mathcomp_extra fsbigop) reals signed