definability
case hP
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
⊢ 𝚺₀-Predicate fun {y} => 0 < y → ∃ x < y, ∃ y' ≤ y, Exponential x y' ∧ y < 2 * y'
no goals