{G : Type u_1} →
  [inst : MeasurableSpace G] →
    [inst_1 : Add G] →
      {μ : MeasureTheory.Measure G} →
        {motive : μ.IsAddLeftInvariant → Sort u} →
          ((map_add_left_eq_self : ∀ (g : G), MeasureTheory.Measure.map (fun x => g + x) μ = μ) → motive ⋯) →
            (t : μ.IsAddLeftInvariant) → motive t