e/Continuum function

Information
has gloss	eng: The continuum function is \kappa\mapsto 2^\kappa, i.e. raising 2 to the power of κ using cardinal exponentiation. Given a cardinal number, it is the cardinality of the power set of a set of the given cardinality.
lexicalization	eng: Continuum function
instance of	(noun) the number of elements in a mathematical set; denotes a quantity but not the order cardinal number, cardinal