Definition cgraph_forget_data : functor_data cgraph_precategory_ob_mor hset_precategory_ob_mor := @make_functor_data cgraph_category HSET cgraph_forget_map (λ G H : cgraph, onnode).
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.