∀ {C : Type u_2} [inst : CategoryTheory.Category.{u_1, u_2} C] {J : Type u_4}
  [inst_1 : CategoryTheory.Category.{u_3, u_4} J] {T : CategoryTheory.Comonad C}
  {D : CategoryTheory.Functor J T.Coalgebra} (c : CategoryTheory.Limits.Cone (D.comp T.forget))
  (t : CategoryTheory.Limits.IsLimit c) [inst_2 : CategoryTheory.Limits.PreservesLimit (D.comp T.forget) T.toFunctor]
  (j : J),
  CategoryTheory.CategoryStruct.comp
      (CategoryTheory.CategoryStruct.comp (CategoryTheory.Comonad.ForgetCreatesLimits'.lambda c t) (T.ε.app c.pt))
      (c.π.app j) =
    CategoryTheory.CategoryStruct.comp (CategoryTheory.CategoryStruct.id c.pt) (c.π.app j)