Aleph

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 () and aleph one ().

 Hebrew alphabet 
Aleph ("a" pronounced as "father") has a mute sound and is represented by the symbol "א".

 Related pages 

 Bet (letter)
 Cardinal number

 References 

Category:Hebrew alphabet