## CARDINALNUMBER

### Cardinal number

In mathematics,**cardinal numbers**, or

**cardinals**for short, are a generalization of the natural numbers used to measure the cardinality of sets. The cardinality of a finite set is a natural number – the number of elements in the set. The

*transfinite*cardinal numbers describe the sizes of infinite sets.

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### cardinal number

#### Noun

- A number used to denote quantity; a counting number.
*The smallest***cardinal numbers**are 0, 1, 2, and 3.*The***cardinal number**"three" can be represented as "3" or "three".

- A generalized kind of number used to denote the size of a set, including infinite sets.
- A word that expresses a countable quantity; a cardinal numeral.
*"Three" is a***cardinal number**, while "third" is an ordinal number.

*The above text is a snippet from Wiktionary: cardinal number*

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