∀ {J : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} J] {C : Type u} [inst_1 : CategoryTheory.Category.{v, u} C]
  {F : CategoryTheory.Functor J C} [inst_2 : CategoryTheory.Limits.HasColimit F] (c : CategoryTheory.Limits.Cocone F),
  (CategoryTheory.Limits.colimit.isColimit F).desc c = CategoryTheory.Limits.colimit.desc F c