Definition make_bool_diagram {C : category} (a b : C) : diagram bool_graph C. Proof. use make_diagram. - exact(bool_rect _ a b). - intros *; exact fromempty. Defined.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Limits.Graphs.Colimits. Require Import UniMath.Combinatorics.StandardFiniteSets. Require Import UniMath.Combinatorics.FiniteSets.