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empty set

American  
[emp-tee set] / ˈɛmp ti ˈsɛt /

noun

  • empty sets
    plural
  1. Mathematics. in set theory, the set containing no elements.


empty set Scientific  
/ ĕmptē /
  1. Mathematics The set that has no members or elements.


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Example Sentences

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See Examples For:

Some are empty, set up at the crack of dawn and then abandoned for hours on end, until the owners actually want to use them.

From BBC Jan. 8, 2025

Carson Daly opens “The Voice” from an empty set, the trademark red judges’ chairs sitting like abandoned monuments, and refers vaguely to “Everything that’s been going on.”

From New York Times May 8, 2020

In Briggs, the court found no substantial government justification, a veritable empty set to weigh against the unindicted individual’s interests.

From Slate Oct. 29, 2017

Notice that with mutually exclusive events, the intersection of and is the empty set.

From Textbooks Feb. 13, 2015

Remembering what had happened last time, I waited to see which empty set of chairs Elliot would choose.

From "Glitch" by Laura Martin

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