Definition cgraph_precategory_data : precategory_data := make_precategory_data cgraph_precategory_ob_mor (λ G : cgraph, cgraph_mor_id G) (λ G H K : cgraph, @cgraph_mor_comp G H K).
Require Import UniMath.Foundations.PartA. Require Import UniMath.Foundations.Sets. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.Categories.HSET.Core. Require Import UniMath.Combinatorics.CGraph.