Question

Give the power set of the following sets.

(a) /0 (b) {1} (c) {1,2} (d) {1,2,3}

Answer 1

Solution:

(a) Power set of $\phi$ = {$\phi$ }

(b) Power set of {1} = {$\phi$,{1}}

(c) Power set of {1,2} = {$\phi$,{1},{2},{1,2}}

(d) Power set of {1,2,3} = {$\phi$,{1},{2},{3},{1,2},{2,3},{1,3},{1,2,3}}