| # lastn(8, bits) ≠ 8, 0 ≤ bits2int(lastn(8, bits)), 0 < bits2int(lastn(8, bits)), 8 < # bits, 127 < bits2int(lastn(8, bits)) ⊦ bits = [] |
127 < bits2int(lastn(8, bits)), 8 < # bits, 0 < bits2int(lastn(8, bits)), 0 ≤ bits2int(lastn(8, bits)) ⊦ # lastn(8, bits) = 8, bits = []