∀ {J : Type u_3} [inst : CategoryTheory.Category.{u_1, u_3} J] (F : CategoryTheory.Functor J CommRingCat)
  [inst_1 : Small.{u_2, max u_2 u_3} ↑(F.comp (CategoryTheory.forget CommRingCat)).sections],
  autoParam
    (∀ (a b : (CategoryTheory.Limits.Types.Small.limitCone (F.comp (CategoryTheory.forget CommRingCat))).pt),
      a - b = a + -b)
    SubNegMonoid.sub_eq_add_neg._autoParam