Translingual

Symbol

ℶ ‎(English symbol name beth)

1. (set theory) Symbol for the cardinality of an infinite set in a iterative hierarchy of power sets, starting with ℵ₀. Usually indexed by an ordinal number.

   , and for a limit ordinal λ.

See also

• Beth number on Wikipedia.Wikipedia
• ℵ

Usage notes

Unicode has two code points for the Hebrew letter beth. For Hebrew text, ב should be used. This character should be used for the mathematical symbol since it retains the left-to-right orientation of the text.