Number [Concept]
 Purpose 
 The Number predicate tests whether a given object is a number.
 Syntax 
 Number object
 Argument 
 The object argument is any object.
 Value 
 The Number predicate returns t if object is a number.
 Examples 
(ask (Number 3)) ==> T 
(ask (Number 3.5)) ==> T
 See Also 
Last modified:  Jun 1 1995