power set

noun Mathematics.
the collection of all subsets of a given set.

Origin:
1950–55

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power set
 
n
maths, logic a set the elements of which are all the subsets of a given set

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
Instead of being drawn into the new power set-up, many of them in the past few months have been hauled off to prison.
In a conventional power set context, every element of the power set has a complement which is also a member of the power set.
Many set theorists agree that it is the power set axiom which causes problem.
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