| ~256 ≤ j0, 0 < i, ~256 < j0, j0 < 0 ⊦ i = 0, b2i(i2b(256 + j0)) = b2i(i2b(j0)) |
⊦ ~128 ≤ i ∧ i ≤ 127 → b2i(i2b(i)) = i
¬(~128 ≤ j0 ∧ j0 ≤ 127), ~256 ≤ j0, 0 < i, ~256 < j0, j0 < 0 ⊦ i = 0, b2i(i2b(256 + j0)) = b2i(i2b(j0))
~128 ≤ j0 ∧ j0 ≤ 127, ~256 ≤ j0, 0 < i, ~256 < j0, j0 < 0 ⊦ i = 0, b2i(i2b(256 + j0)) = j0
Used terms: j0