Determine whether each of these sets is the power set of a set, where a and b are distinct elements.
a) ∅
b) {∅, {a}}
c) {∅, {a}, {∅, a}}
d) {∅, {a}, {b}, {a, b}}
Determine whether each of these sets is the power set of a set, where a and b are distinct elements.
a) ∅
b) {∅, {a}}
c) {∅, {a}, {∅, a}}
d) {∅, {a}, {b}, {a, b}}