Definition islimcone_chain_op {C : category} {g : chain C} {c : C} {cc : cone g c} (cc_lim : isLimCone g c cc) : isColimCocone (chain_op g) c (cone_op cc). Proof. apply (islimcone_op cc_lim). Defined.
Require Import UniMath.Foundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.OppositeCategory.Core. Require Import UniMath.CategoryTheory.Limits.Cones. Require Import UniMath.CategoryTheory.Limits.Graphs.Colimits. Require Import UniMath.CategoryTheory.Limits.Graphs.Limits. Require Import UniMath.CategoryTheory.Chains.Chains. Require Import UniMath.CategoryTheory.Chains.Cochains.