# set theory

(redirected from*Ordinary set theory*)

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Related to Ordinary set theory: Classical set theory

## set theory

*n.*

*Mathematics*

The study of the properties of sets.

## set theory

*n*

**1.**(Mathematics)

*maths*the branch of mathematics concerned with the properties and interrelationships of sets

**2.**(Logic)

*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

## set′ the`ory

*n.*

the branch of mathematics that deals with relations between sets.

[1940–45]

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Noun | 1. | set theory - the branch of pure mathematics that deals with the nature and relations of setsmath, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement pure mathematics - the branches of mathematics that study and develop the principles of mathematics for their own sake rather than for their immediate usefulness |

Translations

**teorie množin**

**joukko-oppi**

**תורת הקבוצות**

**teorija skupova**

**halmazelmélet**

**mengjafræði**

**teoria dos conjuntos**

## set theory

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