∀ {G : Type u_1} [inst : MeasurableSpace G] [inst_1 : AddGroup G] [MeasurableAdd₂ G] (μ : MeasureTheory.Measure G)
  [MeasureTheory.SFinite μ] {s : Set G} [MeasurableNeg G] [μ.IsAddLeftInvariant], (μ (-s) = 0) = (μ s = 0)