Theorem: LO.FirstOrder.Arith.Model.PPow2.two_le (Arithmetization/ISigmaZero/Exponential/PPow2.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
i : M
hi : PPow2 i
⊢ 2 ≤ i
Tactic:
simp [←one_add_one_eq_two, ←lt_iff_succ_le, hi.one_lt]
State after:
no goals