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Aleph


The set theory symbol (aleph) for the cardinal number of a well-orderable infinite set.


See also

Aleph-0, Aleph-1, Countable Set, Countably Infinite, Finite, Infinite, Transfinite Number, Uncountably Infinite

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Cite this as:

Weisstein, Eric W. "Aleph." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Aleph.html

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