∀ {R : Type u_1} [inst : Monoid R] {S : Submonoid R} [inst_1 : OreLocalization.OreSet S] {X : Type u_2}
  [inst_2 : AddMonoid X] [inst_3 : DistribMulAction R X] (x : OreLocalization S X), OreLocalization.nsmul✝ 0 x = 0