∀ {G : Type u_1} [inst : MeasurableSpace G] [inst_1 : AddGroup G] [MeasurableAdd₂ G] (μ : MeasureTheory.Measure G)
  [MeasureTheory.SFinite μ] [MeasurableNeg G] [μ.IsAddLeftInvariant], μ.AbsolutelyContinuous μ.neg