i ≤ j, ∀ j0, i0. i→n(j0 - i0) < i→n(j - i) → i0 ≤ j0 → max(count-i2j(i0, j0)) = j0 ⊦ max(count-i2j(i, j)) = j
Used simplifier rules: <; (wellfounded) Used terms: i→n(j - i)