| 0 ≤ ~(j * 2 ^ i + j0), 0 ≤ i, j < 0, j0 < 0, 0 < 2 ^ i + j0 ⊦ # uint2bits(~(j * 2 ^ i + j0)) = # int2bits(~ j) + i→n(i) |
0 ≤ i, j < 0, j0 < 0, 0 < 2 ^ i + j0, j * 2 ^ i + j0 ≤ 0 ⊦ # uint2bits(~(j * 2 ^ i + j0)) = # int2bits(~ j) + i→n(i)
Used simplifier rules: ⊦ j ≤ i ∧ i ≤ 0 → j ≤ 0; (forward)% ⊦ i + j = j + i;% ⊦ i + j + i0 = (i + j) + i0;% ⊦ i + 0 = i;% ⊦ i ≤ ~ j ↔ i + j ≤ 0;