simpa[models_iff] using ModelsTheory.models M Theory.peanoMinus.mulAssoc
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⁻
⊢ ∀ (x y z : M), x * y * z = x * (y * z)
no goals