| # int2bits(i) < 8 ⊦ b2i(i2b(bits2int(lastn(8, int2bits(i))))) = bits2int(lastn(8, fillsgn(8, int2bits(i)))), i ∈byte |
⊦ 0 < i → (# int2bits(i) < m ↔ i < 2 ^ (n→i(m) - 2))
¬ 0 < i, # int2bits(i) < 8 ⊦ b2i(i2b(bits2int(lastn(8, int2bits(i))))) = bits2int(lastn(8, fillsgn(8, int2bits(i)))), i ∈byte
0 < i, i < 2 ^ (n→i(8) - 2) ⊦ b2i(i2b(bits2int(lastn(8, int2bits(i))))) = bits2int(lastn(8, fillsgn(8, int2bits(i)))), i ∈byte
Used terms: 8, i