∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] {D : Type u_1} [inst_1 : CategoryTheory.Category.{v_1, u_1} D]
  {X Y : C} (e : X ≅ Y) (F : CategoryTheory.Functor C D) {Z : D} (h : Z ⟶ F.obj X),
  CategoryTheory.CategoryStruct.comp (CategoryTheory.CategoryStruct.comp h (F.map e.hom)) (F.map e.inv) = h