# Category:Definitions/Cardinality

This category contains definitions related to Cardinality.
Related results can be found in Category:Cardinality.

Two sets (either finite or infinite) which are equivalent are said to have the same cardinality.

The cardinality of a set $S$ is written $\card S$.

## Subcategories

This category has the following 2 subcategories, out of 2 total.

## Pages in category "Definitions/Cardinality"

The following 19 pages are in this category, out of 19 total.