∀ (motive : (x x_1 : ℕ) → 0 < x → 0 < x_1 → Prop) (x x_1 : ℕ) (x_2 : 0 < x) (x_3 : 0 < x_1),
  (∀ (x : ℕ) (x_4 : 0 < x) (hb : 0 < Nat.zero), motive x Nat.zero x_4 hb) →
    (∀ (x n : ℕ) (ha : 0 < x) (x_4 : 0 < n.succ), motive x n.succ ha x_4) → motive x x_1 x_2 x_3