| ⊦ i < 0, i2b(~ i) = i2b(~ b2i(i2b(i))), ¬ i < ~128 ∧ ¬ 127 < i |
0 < i, 0 ≤ i, 127 < i ⊦ i2b(~ i) = i2b(~ b2i(i2b(i)))
Used simplifier rules: i0 ≠ 0, i0 < i ⊦ (* i) < j → (* i0) < j;% ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j; (forward)% ⊦ i < j ∧ 0 < i → 0 < j ∧ 1 < j; (forward)% ⊦ i < j ∧ 0 ≤ i → 0 < j; (forward)% ⊦ i < 0 ∧ 0 ≤ j → ¬ j < i;% ⊦ ¬ i < j ↔ j ≤ i;