Aleph

Aleph, or alef, א, is the first letter of the Hebrew alphabet.

In mathematics, aleph, often with various subscripts, usually refers to a series of numbers used to represent the cardinality of infinite sets. See Aleph number for a more detailed discussion.

Other things called Aleph

• Aleph is the name of a modern religious group in Japan, formerly known as Aum Shinrikyo.
• "El Aleph" (The Aleph) is the title of a short story by author Jorge Luis Borges
• Aleph is the title of a short story by author Georg Brandes.
• Aleph is and advanced system for inductive logic programming.
• Alef was the concurrent programming language used in early editions of Plan 9.
• Aleph refers also to the Aleph programming language
• The ALEPH detector (a.k.a. the ALEPH experiment) is one of the four detectors of the Large Electron-Positron Collider (LEP) at CERN.
• Aleph One is a ongoing project related to the computer game Marathon.