Find the power set of each of the following sets.
a. 0
b. {0}
c. {0,{0}}
What is the cardinality of each of the power sets you just found?
Is this your question?
Find the power set of each of the following sets.
a. $\displaystyle \emptyset$ b. $\displaystyle \{ \emptyset \}$ c. $\displaystyle \{ \emptyset, \{ \emptyset\}\}$
What is the cardinality of each of the power sets you just found?
If so, what do you think about the (a) part?