| 2 ^ n→i(# int2bits(~ j)) + j ≠ 0, 2 ^ n→i(# int2bits(~ j)) + j < 0, 0 ≤ j ⊦ |
0 ≤ j, 2 ^ n→i(# int2bits(~ j)) + j < 0 ⊦
Used simplifier rules: int2bits-len-eq-01: ⊦ 2 ^ n→i(# int2bits(~ j)) + j ≠ 0;% ⊦ j < i ∧ i ≤ 0 → j < 0; (forward)% ⊦ i + j = j + i;% ⊦ i + j + i0 = (i + j) + i0;