| ⊦ b2i(i2b(i)) = bits2int(lastn(8, fillsgn(8, int2bits(i)))) |
⊦ ¬ i ∈byte → i2b(i) = i2b(bits2int(lastn(8, int2bits(i))))
¬ ¬ i ∈byte ⊦ b2i(i2b(i)) = bits2int(lastn(8, fillsgn(8, int2bits(i))))
¬ i ∈byte ⊦ b2i(i2b(bits2int(lastn(8, int2bits(i))))) = bits2int(lastn(8, fillsgn(8, int2bits(i))))
Used terms: i