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Noun Concept
Categories: Cardinal numbers, Articles with short description, Infinity, Basic concepts in infinite set theory
EN
countable set  countably infinite set  countability  countable  countable infinite
EN
In mathematics, a set is countable if either it is finite or it can be made in one to one correspondence with the set of natural numbers. Wikipedia
Definitions
Relations
Sources
EN
In mathematics, a set is countable if either it is finite or it can be made in one to one correspondence with the set of natural numbers. Wikipedia
Set with the same cardinality as the set of natural numbers Wikidata
A set that is countable. Wiktionary
Set that is countable. Wiktionary (translation)
IS A
null set
set
countable set
infinite set
HAS KIND
finite set
Fσ set
countable set
HAS INSTANCE
Post's lattice
CARDINALITY OF THIS SET
aleph null
DIFFERENT FROM
countable set
DISCOVERER OR INVENTOR
Georg Cantor
LESS THAN
uncountable set
OPPOSITE OF
uncountable set
STUDIED BY
discrete mathematics
Wikipedia
EN
countable set
Wikidata
EN
Countable set, countably infinite set
Wiktionary
EN
countable set
Wikipedia Redirections
EN
countability, countable, countable infinite, countable infinity, Countable Set, countable sets, Countable space, countably, countably infinite, countably infinite set, countably many, denumerability, denumerable, Denumerable Set, Denumerable set, Denumerably Infinite, Infinitely countable, Infinitely countable set, Listable infinity
Wikidata Alias
EN
countable set, countably set, denumerable set

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