Theorem: LO.FirstOrder.Arith.Model.Seq.lt_lh_iff (Arithmetization/ISigmaOne/HFS/Seq.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
s : M
h : Seq s
i : M
⊢ i < lh s ↔ i ∈ domain s
Tactic:
simp [h.domain_eq]
State after:
no goals