Question

List all the subsets of {1}.

Answer 1

Well, what's one of the subsets?

Answer 2

{} - the empty set
{1} and {2} and {3}
{1,2} and {1,3} and {2,3}
{1,2,3}

Im guessing it something like this.. :S

Answer 3

Those are all the subsets of {1,2,3}. Hence what are the subsets of {1}? Give me at least one of them.