Lemma filtered_has_bool_cocones {J : category} (filtered : is_filtered J) (d : diagram bool_graph J) : ∃ z : J, cocone d z. Proof. exact(filtered bool_graph _ is_finite_graph_bool). Qed.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.Limits.Graphs.Colimits. Require Import UniMath.CategoryTheory.Categories.HSET.Core. Require Import UniMath.CategoryTheory.covyoneda. Require Import UniMath.Combinatorics.StandardFiniteSets. Require Import UniMath.Combinatorics.FiniteSets. Require Import UniMath.CategoryTheory.Limits.StandardDiagrams.