proposition: Lemma has_homsets_HSET : has_homsets HSET.
proof: Proof. intros a b; apply isaset_set_fun_space. Qed.
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.Foundations.UnivalenceAxiom UniMath.Foundations.NaturalNumbers UniMath.Foundations.HLevels UniMath.MoreFoundations.PartA UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.opp_precat UniMath.CategoryTheory.PrecategoryBinProduct