⊦ 0 ≤ i ∧ 0 < j → (i0 < i / j ↔ i0 * j ≤ i ∧ i0 ≠ i / j)
Used simplifier rules: ⊦ i ≤ 0 ∧ 0 ≤ j → i ≤ j; (s) Used terms: j, i, i0