| 0 < i0, i1 < i0, i1 < i0 * j, i1 < j, i1 < j + j0, 0 < j + j0, i1 * j + j0 < 0, j0 < 0, 0 < j, i1 ≤ 0, 0 ≤ j * (i1 + i0) + j0, 0 ≤ i0 ⊦ i0 + i1 = (j * (i1 + i0) + j0) / j + 1, j0 = 0 |
⊦ i + j = j + i
0 < j, j0 < 0, i1 * j + j0 < 0, 0 < j + j0, i1 < j + j0, i1 < j, i1 < i0 * j, i1 < i0, 0 < i0, 0 ≤ i0, 0 ≤ j * (i1 + i0) + j0, i1 ≤ 0 ⊦ i0 + i1 = 1 + (j * (i1 + i0) + j0) / j, j0 = 0
Used terms: 1, (j * (i1 + i0) + j0) / j