set theory


Definition of set theory

: a branch of mathematics or of symbolic logic that deals with the nature and relations of sets

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Other Words from set theory

set theoretic adjective

Examples of set theory in a Sentence

Recent Examples on the Web

The accepted foundation of mathematics is set theory. Quanta Magazine, "Will Computers Redefine the Roots of Math?," 19 May 2015 Another approach that aims to reconcile the apparent passage of time with the block universe goes by the name of causal set theory. Quanta Magazine, "A Debate Over the Physics of Time," 19 July 2016 Malliaris and Shelah published their proof last year in the Journal of the American Mathematical Society and were honored this past July with one of the top prizes in the field of set theory. Quanta Magazine, "Mathematicians Measure Infinities and Find They’re Equal," 12 Sep. 2017 Their breakthrough, proved over 60 pages of complex calculations, was in applying one field known as model theory to another field called set theory. The Christian Science Monitor, "The awards and rewards of grasping infinity," 19 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'set theory.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of set theory

1936, in the meaning defined above

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Statistics for set theory

Last Updated

19 Jul 2019

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Time Traveler for set theory

The first known use of set theory was in 1936

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More from Merriam-Webster on set theory

Britannica English: Translation of set theory for Arabic Speakers Encyclopedia article about set theory

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characterized by aphorism

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