empty set

American  

[emp-tee set] / ˈɛmp ti ˈsɛt /

noun

plural

empty sets

1. Mathematics. in set theory, the set containing no elements.

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empty set Scientific  

/ ĕmp′tē /

1. Mathematics The set that has no members or elements.

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Other Word Forms

• nonempty set noun

Example Sentences

Meanwhile the camera panned to an empty set.

From BBC • Aug. 12, 2021

In a video shot for Vogue’s “73 Questions” feature, she wanders the rooms of what sometimes looks like an empty set, with a color palette ranging from white to off-white.

From Slate • Apr. 13, 2020

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

From Textbooks • Feb. 13, 2015

The set that contains both the empty set and the set that contains the empty set is 2.

From Scientific American • Jan. 31, 2014

They’d been lucky to find an empty set of seats near one of the doors.

From "Anger Is a Gift" by Mark Oshiro