primitive [Property]
Purpose
The primitive predicate tests whether a given concept or relation is marked primitive.
Syntax
primitive concept
Argument
The concept argument is a concept or relation.
Value
The primitive predicate returns t if concept is a primitive concept or relation.
Examples
(defconcept Person)
(ask (primitive Person)) ==> T
(retrieve ?x (:and (Concept ?x) (primitive ?x))) ==> (|C|PERSON \ldots)
See Also
Last modified: Jun 1 1995