proposition: Proposition cat_to_prebicat_laws : prebicat_laws cat_to_prebicat_data.
proof: Proof. repeat split ; intro ; intros ; apply homset_property. Qed.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Prelude UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Discreteness UniMath.Bicategories.Core.Invertible_2cells UniMath.Bicategories.Core.AdjointUnique UniMath.Bicategories.Core.Univalence