fact: Definition is_bifunctor (F : bifunctor_data) : UU := (bifunctor_leftidax F) × (bifunctor_rightidax F) × (bifunctor_leftcompax F) × (bifunctor_rightcompax F) × (functoronmorphisms_are_equal F).
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.PrecategoryBinProduct UniMath.CategoryTheory.FunctorCategory UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Limits.BinCoproducts UniMath.CategoryTheory.Limits.Coproducts UniMath.CategoryTheory.ProductCategory