| j < j0, i0 < abs(j0 - j), 0 < i0, 1 < abs(j0 - j) ⊦ i0 + j < j0 |
⊦ i0 = i - j ↔ i = i0 + j
Used simplifier rules: abs-16: ⊦ 0 < j → 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% ⊦ i + j < i + i0 ↔ j < i0; (s)%lf-01: ⊦ i < j ∧ j < i0 → i +1 < i0; (forward) from specification int-basic1%trans: ⊦ i < j ∧ j < j0 → i < j0; (forward) from specification int-basic1%lf-07: ⊦ ¬ i < i0 ∧ j < i0 → j < i; (forward) from specification int-basic1%lf-04: ⊦ ¬ j < i ∧ j < i0 → i < i0; (forward) from specification int-basic1 Used terms: j0, j, i