∀ (C : Type u_2) [inst : CategoryTheory.Category.{u_1, u_2} C] [inst_1 : CategoryTheory.MonoidalCategory C] (X Y Z : C),
  CategoryTheory.CategoryStruct.comp
      (CategoryTheory.CategoryStruct.id
        ((CategoryTheory.MonoidalOpposite.mopMopEquivalence C).inverse.obj
          (CategoryTheory.MonoidalCategoryStruct.tensorObj (CategoryTheory.MonoidalCategoryStruct.tensorObj X Y) Z)))
      (CategoryTheory.CategoryStruct.comp
        (CategoryTheory.MonoidalCategoryStruct.whiskerRight
          (CategoryTheory.CategoryStruct.id
            ((CategoryTheory.MonoidalOpposite.mopMopEquivalence C).inverse.obj
              (CategoryTheory.MonoidalCategoryStruct.tensorObj X Y)))
          ((CategoryTheory.MonoidalOpposite.mopMopEquivalence C).inverse.obj Z))
        (CategoryTheory.MonoidalCategoryStruct.associator
            ((CategoryTheory.MonoidalOpposite.mopMopEquivalence C).inverse.obj X)
            ((CategoryTheory.MonoidalOpposite.mopMopEquivalence C).inverse.obj Y)
            ((CategoryTheory.MonoidalOpposite.mopMopEquivalence C).inverse.obj Z)).hom) =
    CategoryTheory.CategoryStruct.comp
      ((CategoryTheory.MonoidalOpposite.mopMopEquivalence C).inverse.map
        (CategoryTheory.MonoidalCategoryStruct.associator X Y Z).hom)
      (CategoryTheory.CategoryStruct.comp
        (CategoryTheory.CategoryStruct.id
          ((CategoryTheory.MonoidalOpposite.mopMopEquivalence C).inverse.obj
            (CategoryTheory.MonoidalCategoryStruct.tensorObj X (CategoryTheory.MonoidalCategoryStruct.tensorObj Y Z))))
        (CategoryTheory.MonoidalCategoryStruct.whiskerLeft
          ((CategoryTheory.MonoidalOpposite.mopMopEquivalence C).inverse.obj X)
          (CategoryTheory.CategoryStruct.id
            ((CategoryTheory.MonoidalOpposite.mopMopEquivalence C).inverse.obj
              (CategoryTheory.MonoidalCategoryStruct.tensorObj Y Z)))))