proposition: Lemma closureEnbhs A : closure A = [set p | globally A `#` nbhs p].
proof: Proof. by under eq_fun do rewrite meets_globallyl. Qed.
imports: HB(structures) mathcomp(all_ssreflect all_algebra finmap generic_quotient) mathcomp(boolp classical_sets functions) mathcomp(cardinality mathcomp_extra fsbigop) reals signed