∀ {α : Type u_1} {m : MeasurableSpace α} {M : Type u_2} [inst : AddCommMonoid M] [inst_1 : TopologicalSpace M]
  {R : Type u_3} [inst_2 : Semiring R] [inst_3 : Module R M] [inst_4 : ContinuousConstSMul R M] (r : R)
  (v : MeasureTheory.VectorMeasure α M), ↑(r • v) = r • ↑v