no goals
𝕜 : Type ?u.311574
G : Type u_1
H : Type ?u.311580
inst✝³ : MeasurableSpace G
inst✝² : MeasurableSpace H
inst✝¹ : DivInvMonoid G
μ : Measure G
inst✝ : IsMulRightInvariant μ
g : G
⊢ Measure.map (fun x => x / g) μ = μ
simp_rw [div_eq_mul_inv, map_mul_right_eq_self μ g⁻¹]