Submitted by György Chityil ... on Fri, 01/19/2018 - 21:51 Hierarchy: NounDescription: {{set theory}} The set of all subsets of a set. Notation for a set ''S'': <math>\mathcal{P}(S)</math> ''or'' 2<sup>''S''</sup>Ngram: power setNgram Text: power setSource: WiktionaryIssue: 0Wiktionary tag: set theoryNgram Count: 2