simpa [mul_comm] using exponential_hash b a
M : Type u_1
inst✝⁵ : Zero M
inst✝⁴ : One M
inst✝³ : Add M
inst✝² : Mul M
inst✝¹ : LT M
inst✝ : M ⊧ₘ* 𝐈𝚫₀ + 𝛀₁
a b : M
⊢ Exponential (‖a‖ * ‖b‖) (b # a)
no goals