| ⊦ band(i, j) = band(b2i(i2b(i)), j), i2b(band(i, j)) = i2b(band(b2i(i2b(i)), j)) |
⊦ i2b(i) = i2b(j) ↔ b2i(i2b(i)) = b2i(i2b(j))
⊦ band(i, j) = band(b2i(i2b(i)), j), b2i(i2b(band(i, j))) = b2i(i2b(band(b2i(i2b(i)), j)))
Used terms: band(b2i(i2b(i)), j), band(i, j)