Definition

The number of elements in a set or the relationship between sets, often used in mathematics and databases.

Example

In mathematics, the cardinality of a set can help determine its size and properties.

Conversation

Have you ever heard of the term cardinality in math?

Yeah, I think it refers to the number of elements in a set, right?

Exactly! It's interesting how it can also describe relationships in databases.

For sure, understanding cardinality can really help with structuring data.

Synonyms & Antonyms

Root Explanation

Cardinality is formed from "cardinalis" (from Latin, meaning principal or chief) and the suffix "-ity" (meaning the state or condition of). The term refers to the state of being a cardinal number, which indicates quantity or count.

Memory Tip

Think of 'cardinal' as referring to something 'principal' or 'chief' in counting, and '-ity' indicating a state. This helps you remember that 'cardinality' relates to the state of counting or quantity.

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