Write all subsets and proper subsets of set {a, B, C} Let's finish the problem by 22:00 this evening

Write all subsets and proper subsets of set {a, B, C} Let's finish the problem by 22:00 this evening

All subsets {a} {B} {C} {a, B} {a, C} {B, C} {a, B, C}, empty sets
Proper subset {a} {B} {C} {a, B} {a, C} {B, C}, empty set