**Countably Infinite**

Describes a set which contains the same number of elements as the set of natural numbers. Formally, a countably infinite set can have its elements put into one-to-one correspondence with the set of natural numbers.

Note: The symbol aleph null (א_{0}) stands for the cardinality of a countably infinite set.

**See also**

Copyrights © 2013 & All Rights Reserved by matjar213.com*homeaboutcontactprivacy and policycookie policytermsRSS*