proposition: Lemma has_homsets_loc_precategory : has_homsets loc_precategory.
proof: Proof. intros R1 R2. apply isasetRoofEqclass. Qed.
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Functors