Definitions

1. noun

The number of elements in a set, or the property of a set that is determined by the number of elements it contains.

“The cardinality of a set is often used in mathematics and computer science to describe the size of a data structure.”

2. noun

A measure of the number of possible values or combinations in a system or process.

“The cardinality of a database schema is an essential factor in determining its performance and scalability.”

3. noun

The property of a relation or function that determines the number of possible inputs or outputs.

“The cardinality of a function is an important concept in mathematics and computer science, particularly in the study of algorithms and data structures.”