| j0 < i0, 0 < i0, j0 < j, j0 + 1 < j, 0 < j, j0 < 0, j0 + 1 < i0, 0 ≤ i0 * j + j0 ⊦ j0 % j = 0, (i0 * j + j0) % j = j0 % j + j |
⊦ 0 < j ∧ i < 0 → (i0 = i / j ∧ j0 = i % j ↔ i = i0 * j + j0 ∧ j0 ≤ 0 ∧ abs(j0) < j)
j0 = i1 * j + j1, j0 + 1 < i0, j0 < 0, 0 < j, j0 + 1 < j, j0 < j, 0 < i0, j0 < i0, abs(j1) < j, 0 ≤ i0 * j + j0, j1 ≤ 0 ⊦ (i0 * j + j0) % j = j1 + j, j1 = 0
Used terms: j0, j, i, j1