| ¬(i < i0 ∧ 0 ≤ j0 ∧ j0 < j), j0 < j, 0 ≤ i, 0 ≤ i0, 0 ≤ j0, 0 < j ⊦ i * j + j0 < i0 * j ↔ i < i0 |
j0 < j, 0 ≤ i, 0 ≤ i0, 0 ≤ j0, 0 < j, i * j + j0 < i0 * j, i0 ≤ i ⊦
Used simplifier rules: lels: ⊦ ¬ i < j ↔ j ≤ i; from specification int-abs%zero-gels-04: ⊦ i ≤ 0 ∧ 0 ≤ j → i ≤ j; from specification int-abs