Theorem: LO.FirstOrder.Arith.Model.Nuon.ext_append_lt (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
I L S i j X : M
hi : i ≤ ‖I‖
hij : j < i
⊢ (S % bexp (I # L) (i * ‖L‖) + S / bexp (I # L) (i * ‖L‖) * bexp (I # L) (i * ‖L‖)){L}[j] = S{L}[j]
Tactic:
rw [add_comm, mul_comm, div_add_mod]
State after:
no goals