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 For certain values of the starting integer, the sequence generated by the variant of f does not end up arriving at 1, but set theory cannot demonstrate this. Jean-paul Delahaye, Scientific American, 28 Apr. 2021 Cohen, legendary for his daring methods in set theory, predicted that all of mathematics could be automated, including the writing of proofs. Quanta Magazine, 27 Aug. 2020 This past July, Malliaris and Shelah were awarded the Hausdorff medal, one of the top prizes in set theory. Quanta Magazine, 12 Sep. 2017 Family-friendly activities focusing on basic operations of numbers, set theory, mappings, two- and three-dimensional geometry and probability will be offered. Houston Chronicle, 31 Oct. 2019 The logicians spoke the languages of their respective specialties — set theory and theoretical computer science — in expressing these ideas. Quanta Magazine, 3 June 2019 The accepted foundation of mathematics is set theory. Quanta Magazine, 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, 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, 12 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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Time Traveler for set theory

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The first known use of set theory was in 1936

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Statistics for set theory

Last Updated

4 May 2021

Cite this Entry

“Set theory.” Dictionary, Merriam-Webster, Accessed 23 Jun. 2021.

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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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