Definition precategory_morphism_from_sub_precategory_morphism (C:category) (C':sub_precategories C) (a b : ob C) (f : sub_precategory_morphisms C' a b) : a --> b := pr1 f .
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.