fact: Definition underlying_morphism {A : enriched_precat} (x y : A) := I --> enriched_cat_mor x y.
imports: UniMath.Foundations.PartA UniMath.Foundations.Propositions UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Monoidal.Categories UniMath.CategoryTheory.PrecategoryBinProduct UniMath.CategoryTheory.Core.Isos