∀ {R : Type u} {ι : Type v} {M : Type u_1} [inst : Fintype ι] [inst_1 : CommRing R] [inst_2 : AddCommMonoid M]
  [inst_3 : Module R M] [inst_4 : TopologicalSpace R] [inst_5 : TopologicalSpace M] [inst_6 : ContinuousMul R]
  [inst_7 : ContinuousSMul R M], ContinuousMultilinearMap.mkPiRing R ι 0 = 0