| 9 % 8 ≠ 0 ∧ 8 < 9, ~256 < i, i < ~128, i < 0 ⊦ bits2bytes(firstn(9 % 8, int2bits(i))) + bits2bytes(restn(9 % 8, int2bits(i))) = i2b(~1) ' + i2b(i) ' |
~256 < i, i < ~128, i < 0 ⊦ bits2bytes(firstn(1, int2bits(i))) + bits2bytes(restn(1, int2bits(i))) = i2b(~1) ' + i2b(i) '