Aleph-zero
From Encyclopedia of Mathematics
2020 Mathematics Subject Classification: Primary: 03E10 [MSN][ZBL]
A cardinal number which is the cardinality of all countably-infinite sets (cf Countable set). Denoted by $\aleph_0$.
How to Cite This Entry:
Aleph-zero. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Aleph-zero&oldid=35818
Aleph-zero. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Aleph-zero&oldid=35818
This article was adapted from an original article by P.S. Aleksandrov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article