⊦ 0 < i → j ^ i = j ^ i -1 * j
0 < i0, j ^ i0 -1 * j < j * j, ((j ^ i0 -1 * j) * j) / 3 < j, 2 ≤ j, 0 ≤ j, 0 < j, 1 < i0, 0 < i0, 0 ≤ i0 ⊦
Used terms: i0, j