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Countable set

From Encyclopedia of Mathematics
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A set of the same cardinality as the set of natural numbers. For example, the set of rational numbers or the set of algebraic numbers.

How to Cite This Entry:
Countable set. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Countable_set&oldid=17785
This article was adapted from an original article by M.I. Voitsekhovskii (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article
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