# power set

## EnglishEdit

### NounEdit

Wikipedia has an article on:
Wikipedia

power set ‎(plural power sets)

1. (set theory) The set of all subsets of a set. Notation for a set S: ${\displaystyle {\mathcal {P}}(S)}$  or 2S
The power set of {1, 2} is {Ø, {1}, {2}, {1, 2}‌}