Theorem: LO.FirstOrder.Arith.Model.zero_mem_iff (Arithmetization/ISigmaOne/Bit.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* 𝐈𝚺₁
a : M
⊢ 0 ∉ a ↔ 2 ∣ a
Tactic:
simp [mem_iff_bit, Bit, LenBit]
State after:
no goals