Aleph Null

Pronunciation: /ˈɑ.lɪf nʌl/ Explain

0, also written aleph null, is the cardinality of the set of natural numbers. Any infinite set that has a one to one correspondence with the set of natural numbers has a cardinality of 0.


  1. McAdams, David E.. All Math Words Dictionary, aleph null. 2nd Classroom edition 20150108-4799968. pg 12. Life is a Story Problem LLC. January 8, 2015. Buy the book

Cite this article as:

McAdams, David E. Aleph Null. 12/21/2018. All Math Words Encyclopedia. Life is a Story Problem LLC.

Revision History

12/21/2018: Reviewed and corrected IPA pronunication. (McAdams, David E.)
6/12/2018: Removed broken links, updated license, implemented new markup. (McAdams, David E.)
5/5/2011: Initial version. (McAdams, David E.)

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