proposition: Lemma nearT {T : Type} (F : set_system T) : Filter F -> \near F, True.
proof: Proof. by move=> FF; apply: filterT. Qed.
imports: HB(structures) mathcomp(all_ssreflect all_algebra finmap generic_quotient) mathcomp(boolp classical_sets functions) mathcomp(cardinality mathcomp_extra fsbigop) reals signed