exact ⟨∅, by simp⟩
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
f : M → M
hf : 𝚺₁-Function₁ f
s : M
⊢ ∃ t, Seq t ∧ lh t = lh ∅ ∧ ∀ i < lh ∅, ∀ x < ∅, ⟪i, x⟫ ∈ ∅ → ⟪i, f x⟫ ∈ t
no goals