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单词 cardinality
释义

cardinality


cardinality

(ˌkɑːdɪˈnælɪtɪ) n1. (Mathematics) maths the property of possessing a cardinal number2. (Mathematics) 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 correspondence3. (Logic) 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
Thesaurus
Noun1.cardinality - (mathematics) the number of elements in a set or group (considered as a property of that grouping)math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangementnumber - a concept of quantity involving zero and units; "every number has a unique position in the sequence"
Translations

cardinality


cardinality

(mathematics)The number of elements in a set. If two setshave the same number of elements (i.e. there is a bijectionbetween them) then they have the same cardinality. Acardinality is thus an isomorphism class in the categoryof sets.

aleph 0 is defined as the cardinality of the firstinfinite ordinal, omega (the number of natural numbers).

cardinality

A quantity relationship between elements. For example, one-to-one, one-to-many and many-to-one express cardinality. See cardinal number.

cardinality


Related to cardinality: Cardinality of a Set
  • noun

Words related to cardinality

noun (mathematics) the number of elements in a set or group (considered as a property of that grouping)

Related Words

  • math
  • mathematics
  • maths
  • number
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更新时间:2025/1/31 14:53:34