| ⊦ j < 0 ∧ ¬(∃ i. ~(2 ^ i) = j) → int2bits(j) = int2bits(2 ^ n→i(# int2bits(~ j)) + j).rest |
j < 0 ⊦ int2bits(j) = int2bits(2 ^ n→i(# int2bits(~ j)) + j).rest, ∃ i. 2 ^ i + j = 0
Used simplifier rules: ⊦ j < i ∧ i ≤ 0 → j < 0; (forward)% ⊦ ~ i = j ↔ i + j = 0;