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set theory
noun
- the branch of mathematics that deals with relations between sets.
set theory
noun
- maths the branch of mathematics concerned with the properties and interrelationships of sets
- logic a theory constructed within first-order logic that yields the mathematical theory of classes, esp one that distinguishes sets from proper classes as a means of avoiding certain paradoxes
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Word History and Origins
Origin of set theory1
First recorded in 1940–45
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Example Sentences
For those ready to venture into a little set theory, read on.
From FiveThirtyEight
They are uncommitted to any set theory and are relatively free from local European feelings.
From Project Gutenberg
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