| ~2 < i0 ⊦ ~1 = i0, abs(i0) < i0 + 2 |
~2 < i0, i0 < 0 ⊦ ~1 = i0, abs(i0) < i0 + 2
Used simplifier rules: Abs-pos: ⊦ ¬ j < 0 → abs(j) = j;% ⊦ i < i + j ↔ 0 < j; (s)%add-a: ⊦ i + j + i0 = (i + j) + i0; from specification int-basic2%add-c: ⊦ i + j = j + i; from specification int-basic2 Used formulas: i0 < 0