∀ {C : Type u_2} [inst : CategoryTheory.Category.{u_1, u_2} C] [inst_1 : CategoryTheory.CartesianMonoidalCategory C]
  [inst_2 : CategoryTheory.BraidedCategory C] (X : CategoryTheory.CommGrp C),
  CategoryTheory.CategoryStruct.comp CategoryTheory.MonObj.mul
      (CategoryTheory.Iso.refl ((CategoryTheory.Functor.id C).mapCommGrp.obj X).X).hom =
    CategoryTheory.CategoryStruct.comp
      (CategoryTheory.MonoidalCategoryStruct.tensorHom
        (CategoryTheory.Iso.refl ((CategoryTheory.Functor.id C).mapCommGrp.obj X).X).hom
        (CategoryTheory.Iso.refl ((CategoryTheory.Functor.id C).mapCommGrp.obj X).X).hom)
      CategoryTheory.MonObj.mul