∀ {C : Type u_2} [inst : CategoryTheory.Category.{u_1, u_2} C] [inst_1 : CategoryTheory.MonoidalCategory C]
  [inst_2 : CategoryTheory.BraidedCategory C] (x : C × C),
  CategoryTheory.CategoryStruct.comp
      (CategoryTheory.MonoidalCategory.tensorδ x.1 x.2 (CategoryTheory.MonoidalCategoryStruct.tensorUnit (C × C)).1
        (CategoryTheory.MonoidalCategoryStruct.tensorUnit (C × C)).2)
      (CategoryTheory.MonoidalCategory.tensorμ x.1 x.2 (CategoryTheory.MonoidalCategoryStruct.tensorUnit (C × C)).1
        (CategoryTheory.MonoidalCategoryStruct.tensorUnit (C × C)).2) =
    CategoryTheory.CategoryStruct.id
      ((CategoryTheory.MonoidalCategory.tensor C).obj
        (CategoryTheory.MonoidalCategoryStruct.tensorObj x (CategoryTheory.MonoidalCategoryStruct.tensorUnit (C × C))))