Asked by Blessing

If.u=(a,b,c,d),list.all.possible.subsets.of.u
Answered by Blessing
Thanks
Answered by 🍦Ice cream🍦
Uhm what?
Answered by Anonymous
a, ab, ac, ad, abc, abd, acd
b, bc, bd, bcd
c, cd
d
Answered by oobleck
if not confining yourself to proper subsets, there's also
abcd and the empty set