| 0 ≤ i, i0 < 0 ⊦ j < 0, j = 0, i0 = 0, (i * i0) / (j * i0) = i / j |
i0 < j, i0 < 0, 0 ≤ i, 0 < j, i0 + 1 < j ⊦ (i * i0) / (j * i0) = i / j, i0 = 0
Used simplifier rules: succ-01: ⊦ i +1 = i + 1; from specification int-basic2%trans: ⊦ i < j ∧ j < j0 → i < j0; (forward) from specification int-basic1%lf-01: ⊦ i < j ∧ j < i0 → i +1 < i0; (forward) from specification int-basic1%forward-le-05: ⊦ i < j ∧ 0 ≤ i → 0 < j; (forward) from specification int-abs%ls-01: ⊦ i < j → ¬ j < i; from specification int-basic1%lst-01: ⊦ ¬ i < j → (i ≠ j ↔ j < i); from specification int-basic1