Last Updated
：2025/11/20
cardinality
Noun
of a set
Japanese Meaning
集合論において、ある集合が含む要素の数（集合内の元の数）。 / 型理論において、型が取りうる項（値）の数、または可能な値の数。
Sense（3）
Sense（4）
（ plural ）
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(set theory, of a set) The number of elements a given set contains. / (type theory) The number of terms that can inhabit a type; the possible values of a type.
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cardinality
To compare infinite sets, mathematicians often examine their cardinality rather than relying on intuition.
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To compare infinite sets, mathematicians often examine their cardinality rather than relying on intuition.
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