| j < 0, 0 ≤ i ⊦ i→n(i) * i→n(j) = i→n(i * j) |
j < 0, 0 ≤ i ⊦ i→n(i) * i→n(j) = i→n(i * j)
Used simplifier rules: zero-gels-01: ⊦ i < 0 ∧ 0 ≤ j → i < j; from specification int-abs%forward-le-02: ⊦ j < i ∧ i ≤ 0 → j < 0; (forward) from specification int-abs%forward-lsle: ⊦ i < j ∧ j ≤ j0 → i < j0; (forward) from specification int-abs