∀ {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.MonoidalRightAction C D] (c : C) (d : D) {Z : D}
  (h : CategoryTheory.MonoidalCategory.MonoidalRightActionStruct.actionObj d c ⟶ Z),
  CategoryTheory.CategoryStruct.comp
      (CategoryTheory.MonoidalCategory.MonoidalRightActionStruct.actionHomRight d
        (CategoryTheory.MonoidalCategoryStruct.leftUnitor c).hom)
      h =
    CategoryTheory.CategoryStruct.comp
      (CategoryTheory.MonoidalCategory.MonoidalRightActionStruct.actionAssocIso d
          (CategoryTheory.MonoidalCategoryStruct.tensorUnit C) c).hom
      (CategoryTheory.CategoryStruct.comp
        (CategoryTheory.MonoidalCategory.MonoidalRightActionStruct.actionHomLeft
          (CategoryTheory.MonoidalCategory.MonoidalRightActionStruct.actionUnitIso d).hom c)
        h)