set theory

noun

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

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.

First Known Use of set theory

1936, in the meaning defined above

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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

Britannica.com: Encyclopedia article about set theory

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