Question

List all of the subsets of the set $\{a,b,c,d\}$

Answer 1

• The list of all subsets of $a,b,c,d$ is $\varphi$ ,{$a$},{$b$},{$c$},{$d$},{$a,b$},{$a,c$},{$a,d$},{$b,c$},{$b,d$},{$c,d$},{$a,b,c$},{$a,b,d$},{$a,c,d$},{$b,c,d$},{$a,b,c,d$}