⊦ band(i, j) = bits2int(bitsand(int2bits(i), int2bits(j)))
i < bits2int(bitsand(int2bits(i), int2bits(j))), 0 ≤ i, 0 < bits2int(bitsand(int2bits(i), int2bits(j))) ⊦
Used terms: j, i