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