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Definitions from the Web

Cardinality

Noun - Mathematics:

The quality or state of being cardinal; the number of elements in a set or other mathematical structure.

Example Sentence: The cardinality of the set A is represented by the symbol |A|.

Noun - Computer Science:

The number of elements in a set or the size of a domain or range of a function.

Example Sentence: In database management systems, cardinality refers to the distinct number of values in a column of a table.

Noun - Philosophy:

Refers to the number or size of a set or collection.

Example Sentence: In set theory, the cardinality of the natural numbers is considered to be infinite.

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