∀ {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]
  [inst_3 : CategoryTheory.MonoidalCategory.MonoidalRightAction C D] (x : D) {y z : C} (f : y ≅ z),
  CategoryTheory.CategoryStruct.comp (CategoryTheory.MonoidalCategory.MonoidalRightActionStruct.actionHomRight x f.inv)
      (CategoryTheory.MonoidalCategory.MonoidalRightActionStruct.actionHomRight x f.hom) =
    CategoryTheory.CategoryStruct.id (CategoryTheory.MonoidalCategory.MonoidalRightActionStruct.actionObj x z)