| ⊦ j = 0, i = 0, i1 = 0, gcd(abs(i * i1), abs(j * i1)) = gcd(i, j) * abs(i1) |
⊦ j = 0, i = 0, i1 = 0, gcd(abs(i) * abs(i1), abs(j) * abs(i1)) = gcd(i, j) * abs(i1)
Used simplifier rules: commutativity: ⊦ i * j = j * i; from specification int-mult%associativity: ⊦ i * j * j0 = (i * j) * j0; from specification int-mult%abs-eqall: ⊦ abs(i * j) = abs(i) * abs(j); from specification int-mult