Mathwords: Aleph Null

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Aleph Null

The symbol א‎₀ (aleph with a subscript of 0). Refers to the cardinality of a countably infinite set.

Note: Aleph (א) is the first letter of the Hebrew alphabet.

See also

Infinite, infinity, finite, cardinal numbers

this page updated 15-jul-23
Mathwords: Terms and Formulas from Algebra I to Calculus
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