| # bits % 8 = 0, ∀ bits0. # bits0 < # bits → # bits0 % 8 = 0 → bits0 = [] ∨ bytes2bits(bits2bytes(bits0)) = bits0 ⊦ bits = [] ∨ bytes2bits(bits2bytes(bits)) = bits |
# bits % 8 = 0, ∀ bits0. # bits0 < # bits → # bits0 % 8 = 0 → bits0 = [] ∨ bytes2bits(bits2bytes(bits0)) = bits0 ⊦ bytes2bits(bits2bytes(bits)) = bits, bits = []