∀ (C : Type u_4) (D : Type u_2) [inst : CategoryTheory.Category.{u_3, u_4} C]
  [inst_1 : CategoryTheory.MonoidalCategory C] [inst_2 : CategoryTheory.Category.{u_1, u_2} D]
  [inst_3 : CategoryTheory.MonoidalCategory.MonoidalRightAction Cᵒᵖ Dᵒᵖ] (x : C) (x_1 : D),
  (CategoryTheory.MonoidalCategory.MonoidalRightActionStruct.actionHomRight (Opposite.op x_1)
        (CategoryTheory.MonoidalCategoryStruct.leftUnitor x).hom.op).unop =
    CategoryTheory.CategoryStruct.comp
      (CategoryTheory.MonoidalCategory.MonoidalRightActionStruct.actionAssocIso (Opposite.op x_1)
              (Opposite.op (CategoryTheory.MonoidalCategoryStruct.tensorUnit C)) (Opposite.op x)).symm.unop.hom
      (CategoryTheory.MonoidalCategory.MonoidalRightActionStruct.actionHomLeft
          (CategoryTheory.MonoidalCategory.MonoidalRightActionStruct.actionUnitIso (Opposite.op x_1)).symm.unop.hom.op
          (Opposite.op x)).unop