How many elements does each of these sets have where a and b are distinct elements?

a) p({a, b.{a, b}})

b) p({∅, a, {a}.{{a}}})

c) p(p(∅))

SOLUTION

Step 1 </p>

Given ‘a’ and ‘b’ are distincts.

We have to find the number of elements in the following sets .