| 0 < j, i0 < j, j0 < 3, j * j * j < j * 3 + j0, 0 ≤ j0, 0 ≤ i0, 0 ≤ j, 2 ≤ j ⊦ j = 2 |
j * j * j < j * 3 + j0, j0 < 3, i0 < j, 0 < j, j * 3 + j0 < j * 3 + 3, 2 ≤ j, 0 ≤ j, 0 ≤ i0, 0 ≤ j0 ⊦ j = 2
j * j * j < j * 3 + j0, j0 < 3, i0 < j, 0 < j, 2 ≤ j, 0 ≤ j, 0 ≤ i0, 0 ≤ j0 ⊦ j = 2, j * 3 + j0 < j * 3 + 3
Used formulas: j * 3 + j0 < j * 3 + 3