In mathematics, the power set (or powerset) of any set S, written, P(S), ℘(S) or 2S, is the set of all subsets of S, including the empty set and S itself. In axiomatic set theory (as developed, for example, in the ZFC axioms), the existence of the power set of any set is postulated by the axiom of power set.
Any subset of is called a family of sets over S.
Read more about Power Set: Example, Properties, Representing Subsets As Functions, Relation To Binomial Theorem, Algorithms, Subsets of Limited Cardinality, Topologization of Power Set, Power Object
Famous quotes containing the words power and/or set:
“The memory ... experiencing and re-experiencing, has such power over one’s mere personal life, that one has merely lived.”
—Rebecca West (1892–1983)
“Those who set out to serve both God and Mammon soon discover that there isn’t a God.”
—Logan Pearsall Smith (1865–1946)