proposition: Lemma hset_z_iso_equiv_is_equiv (A B : ob HSET) : isweq (hset_z_iso_equiv A B).
proof: Proof. apply (isweq_iso _ (hset_equiv_z_iso A B)). intro; apply z_iso_eq. - reflexivity. - intro; apply subtypePath. + intro; apply isapropisweq. + reflexivity. Qed.
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.MoreFoundations.Tactics UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Monics UniMath.CategoryTheory.Epis UniMath.CategoryTheory.Categories.HSET.Core