Theorem: LO.FirstOrder.Arith.Model.le_mul_self_of_pos_right (Arithmetization/Basic/PeanoMinus.lean)

State before:
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* 𝐏𝐀⁻
a b c : M
hy : 0 < b
⊢ a ≤ a * b
Tactic:
simpa [mul_comm a b] using le_mul_self_of_pos_left hy
State after:
no goals