fact: Definition arrow_precategory_data (C : precategory) : precategory_data.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.PrecategoryBinProduct UniMath.CategoryTheory.Equivalences.Core UniMath.CategoryTheory.CommaCategories UniMath.CategoryTheory.Adjunctions.Core