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