case mk.mk.refl
G✝ : Type ?u.58492
G : Type u_1
toDivInvMonoid✝ : DivInvMonoid G
mul_left_inv✝¹ mul_left_inv✝ : ∀ (a : G), a⁻¹ * a = 1
⊢ mk mul_left_inv✝¹ = mk mul_left_inv✝
G✝ : Type ?u.58492
G : Type u_1
⊢ Injective (@toDivInvMonoid G)
rintro ⟨⟩ ⟨⟩ ⟨⟩
no goals
case mk.mk.refl
G✝ : Type ?u.58492
G : Type u_1
toDivInvMonoid✝ : DivInvMonoid G
mul_left_inv✝¹ mul_left_inv✝ : ∀ (a : G), a⁻¹ * a = 1
⊢ mk mul_left_inv✝¹ = mk mul_left_inv✝
rfl