Aleph null

Pronunciation: /ˈɑ lɪf nʌl/ ?

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.

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Aleph null. 2010-10-12. All Math Words Encyclopedia. Life is a Story Problem LLC.

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2010-10-12: Initial version (McAdams, David.)

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