∀ (R : Type u_1) {M : Type u_3} [inst : Ring R] [inst_1 : AddCommGroup M] [inst_2 : Module R M]
  [inst_3 : TopologicalSpace M] [IsLinearTopology R M] {ι : Type u_4} {f : Filter ι} (a : ι → R) (m : ι → M),
  Filter.Tendsto m f (nhds 0) → Filter.Tendsto (a • m) f (nhds 0)