More generally, we can define product of sets: if A={a1,a2,…}, then AH is the set obtained by taking products of elements of A and H in every possible way: \(AH=\{ ah | a\in...More generally, we can define product of sets: if A={a1,a2,…}, then AH is the set obtained by taking products of elements of A and H in every possible way: AH={ah|a∈A,h∈H}.
