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# cardinality

## Definitions

• noun set theory Of a set, the number of elements it contains.
• noun data modeling The property of a relationship between a database table and another one, specifying whether it is one-to-one, one-to-many, many-to-one, or many-to-many.

• noun (mathematics) the number of elements in a set or group (considered as a property of that grouping)

cardinal +‎ -ity

## Examples

• For example, it certainly depends on whether your set of trials is countably infinite or uncountably infinite (in other words the cardinality of your set of trials).

A Short Critique of Bradley Monton's Paper

• Thus, if you write card (N) = µ 0 (read: aleph sub zero), his theorems justified calling the cardinality of the “second number class” µ 1.

The Early Development of Set Theory

• (Newman 1928, 144) To see how this so-called cardinality constraint applies to ramseyfications of theories, note that in Carnap's hands, the non-observational part of reconstructed theories, their theoretical entities, were represented by “purely logico-mathematical entities, e.g. natural numbers, classes of such, classes of classes, etc.”

Vienna Circle

• At recess, one boy, Joshua, used a pointer to illustrate a math concept known as cardinality, by completing place settings on a whiteboard.

• One boy, Joshua, used a pointer to illustrate a math concept known as cardinality, by completing place settings on a whiteboard.

KansasCity.com: Front Page

• At recess, one boy, Joshua, used a pointer to illustrate a math concept known as cardinality, by completing place settings on a whiteboard.

Latest Articles

• One boy, Joshua, used a pointer to illustrate a math concept known as cardinality, by completing place settings on a whiteboard.

KansasCity.com: Front Page

• One boy, Joshua, used a pointer to illustrate a math concept known as cardinality, by completing place settings on a whiteboard.

KansasCity.com: Front Page

• One boy, Joshua, used a pointer to illustrate a math concept known as cardinality, by completing place settings on a whiteboard.

KansasCity.com: Front Page

• One boy, Joshua, used a pointer to illustrate a math concept known as cardinality, by completing place settings on a whiteboard.

KansasCity.com: Front Page