Write down all possible subsets of each of the following sets :
(i) {a} (ii) {0, 1}
(iii) {a, b, c} (iv) {1, {1}}
(v) {ϕ}
Write down all possible proper subsets each of the following sets :
(i) {1, 2} (ii) {1, 2, 3}
(iii) {1}
Write down all possible subsets of each of the following sets:(i) {a},(ii) {0,1}(iii) {a,b,c}(iv) {1,{1}}(v) {ϕ}