j ≠ 0 ⊦ i % j = i - i / j * j
j ≠ 0, 0 ≤ i, i - i / j * j < 0, 0 < i, (i - i / j * j) + 1 < i, abs(j) = 1 ∨ abs(j) ≤ i ⊦ j = 0
Used terms: j, i