∀ {J : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} J] {C : Type u₃} [inst_1 : CategoryTheory.Category.{v₃, u₃} C]
  {F : CategoryTheory.Functor J C} {r s t : CategoryTheory.Limits.Cone F} (P : CategoryTheory.Limits.IsLimit s)
  (Q : CategoryTheory.Limits.IsLimit t) {Z : C} (h : s.pt ⟶ Z),
  CategoryTheory.CategoryStruct.comp (Q.lift r)
      (CategoryTheory.CategoryStruct.comp (P.conePointUniqueUpToIso Q).inv h) =
    CategoryTheory.CategoryStruct.comp (P.lift r) h