Theorem: LO.FirstOrder.Arith.Model.Nuon.pow_four_le_pow_four (Arithmetization/OmegaOne/Nuon.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* 𝐈𝚫₀ + 𝛀₁
a b : M
⊢ a ^ 4 ≤ b ^ 4 ↔ a ≤ b
Tactic:
simp [pow_four_eq_sq_sq]
State after:
no goals