proposition: Lemma nbhs_entourageE {M : uniformType} : nbhs_ (@entourage M) = nbhs.
proof: Proof. by rewrite -Nbhs_isUniform_mixin.nbhsE_subproof. Qed.
imports: HB(structures) mathcomp(all_ssreflect all_algebra finmap generic_quotient) mathcomp(boolp classical_sets functions) mathcomp(cardinality mathcomp_extra fsbigop) reals signed