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