Power set: Difference between revisions

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A   [[set]]   is a collection (container) of certain values,
without any particular order, and no repeated values.
 
It corresponds with a finite set in mathematics.
 
A set can be implemented as an associative array (partial mapping)
in which the value of each key-value pair is ignored.
 
Given a set S, the [[wp:Power_set|power set]] (or powerset) of S, written P(S), or 2<sup>S</sup>, is the set of all subsets of S.<br />