∀ {C : Type u_1} {D : Type u_2} {inst : CategoryTheory.Category.{v_1, u_1} C}
  {inst_1 : CategoryTheory.Category.{v_2, u_2} D} {inst_2 : CategoryTheory.MonoidalCategory C}
  [self : CategoryTheory.MonoidalCategory.MonoidalLeftAction C D] (c : C) (d : D) {Z : D}
  (h : CategoryTheory.MonoidalCategory.MonoidalLeftActionStruct.actionObj c d ⟶ Z),
  CategoryTheory.CategoryStruct.comp
      (CategoryTheory.MonoidalCategory.MonoidalLeftActionStruct.actionHomRight c (CategoryTheory.CategoryStruct.id d))
      h =
    h