Aleph

first letter in the Hebrew alphabet

Aleph is the first letter of the Hebrew alphabet.

Modern uses

In mathematics, Georg Cantor decided to use alephs to determine the cardinality of infinite sets. These are called aleph numbers, with some of the most notable ones being aleph null ( $\aleph _{0}$ ) and aleph one ( $\aleph _{1}$ ).^[1]

Hebrew alphabet

Aleph ("a" pronounced as "father") has a mute sound and is represented by the symbol "א".^[2]

Related pages

References

↑ "Comprehensive List of Set Theory Symbols". Math Vault. 2020-04-11. Retrieved 2020-10-07.
↑ "The Hebrew Alphabet (Aleph-Bet)". www.jewishvirtuallibrary.org. Retrieved 2020-10-07.

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