proposition: Lemma incl_subspace_continuous : continuous incl_subspace.
proof: Proof. by apply/subspace_continuousP => x Ax; apply: cvg_within. Qed.
imports: HB(structures) mathcomp(all_ssreflect all_algebra finmap generic_quotient) mathcomp(boolp classical_sets functions) mathcomp(cardinality mathcomp_extra fsbigop) reals signed