∀ {C : Type u_2} [inst : CategoryTheory.Category.{u_1, u_2} C] [inst_1 : CategoryTheory.MonoidalCategory C] (X Y : C),
  CategoryTheory.CategoryStruct.comp
      (CategoryTheory.CategoryStruct.id
        (CategoryTheory.MonoidalCategoryStruct.tensorObj ((CategoryTheory.opOp C).obj X)
          ((CategoryTheory.opOp C).obj Y)))
      (CategoryTheory.CategoryStruct.id
        ((CategoryTheory.opOp C).obj (CategoryTheory.MonoidalCategoryStruct.tensorObj X Y))) =
    CategoryTheory.CategoryStruct.id
      (CategoryTheory.MonoidalCategoryStruct.tensorObj ((CategoryTheory.opOp C).obj X) ((CategoryTheory.opOp C).obj Y))