If the 2-adic relations ''G'' and ''H'' are viewed as logical sums, then their relational composition ''G'' ο ''H'' can be regarded as a product of sums, a fact that can be indicated as follows: | If the 2-adic relations ''G'' and ''H'' are viewed as logical sums, then their relational composition ''G'' ο ''H'' can be regarded as a product of sums, a fact that can be indicated as follows: |