fact: Definition make_precategory_data (C : precategory_ob_mor) (id : ∏ c : C, c --> c) (comp: ∏ a b c : C, a --> b -> b --> c -> a --> c) : precategory_data := tpair _ C (make_dirprod id comp).
imports: UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.MoreFoundations.PartA UniMath.MoreFoundations.Notations