Definition sub_precategory_inclusion (C : category) (C' : sub_precategories C) : functor C' C := tpair _ _ (is_functor_sub_precategory_inclusion C C').
Require Import UniMath.Foundations.Sets. Require Import UniMath.MoreFoundations.PartA. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.Core.Isos.