cardinality

[kahr-dn-al-i-tee]

Phonetic (Standard)IPA

noun

Mathematics.

plural

cardinalities

(of a set) the cardinal number indicating the number of elements in the set.

cardinality

/ ˌ��ɑː��ɪˈ��æ��ɪ��ɪ /

noun

maths the property of possessing a cardinal number
maths logic (of a class) the cardinal number associated with the given class. Two classes have the same cardinality if they can be put in one-to-one correspondence

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Word History and Origins

Origin of cardinality¹

First recorded in 1930–35; cardinal + -ity

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Example Sentences

Examples have not been reviewed.

But if you can assign exactly one seat to each person, then both sets are exactly the same size and thus have the same cardinality.

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It seems that the property of thought that the article describes might better be called “generalized quantity,” “comparative quantity” or “generalized cardinality.”

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As Cantor was able to show, the cardinality of the natural numbers is the smallest possible infinity.

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But as zero came into the fold, the neat relationship between a number’s cardinality and its ordinality was ruined.

From

Alternatively, it could be termed something else: cardinality, for example.

From

cardinal flower cardinal number

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