∀ {C : Type u_4} [inst : CategoryTheory.Category.{u_2, u_4} C] {T : CategoryTheory.Monad C} {J : Type u_3}
  [inst_1 : CategoryTheory.Category.{u_1, u_3} J] (D : CategoryTheory.Functor J T.Algebra)
  (c : CategoryTheory.Limits.Cone (D.comp T.forget)) (t : CategoryTheory.Limits.IsLimit c)
  (s : CategoryTheory.Limits.Cone D) (j : J),
  CategoryTheory.CategoryStruct.comp { f := t.lift (T.forget.mapCone s), h := ⋯ }
      ((CategoryTheory.Monad.ForgetCreatesLimits.liftedCone D c t).π.app j) =
    s.π.app j