Difference between revisions of "Power set"
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| − | In [[set theory]], a '''power set''' is a set of all the | + | In [[set theory]], a '''power set''' is a [[set]] of all the [[subset]]s of some set. |
==Mathematical Definition== | ==Mathematical Definition== | ||
Let A be a set. The power set of A is the set whose elements are the subsets of A. | Let A be a set. The power set of A is the set whose elements are the subsets of A. | ||
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| + | Ƥ(A) = {B:B⊆A} | ||
[[Category:Mathematics]] | [[Category:Mathematics]] | ||
Latest revision as of 19:08, February 6, 2011
In set theory, a power set is a set of all the subsets of some set.
Mathematical Definition
Let A be a set. The power set of A is the set whose elements are the subsets of A.
Ƥ(A) = {B:B⊆A}
