Function *

• Defined in ontology: Kif-numbers
• Source pathname: /tmp_mnt/vol/q/htw/cms/ontolingua/examples/kif/../../all-ontologies/kif/kif-numbers.lisp
• Also defined in: Physical-quantities, Basic-matrix-algebra, Unary-scalar-functions, Scalar-quantities, Tensor-quantities

Instance-Of@Frame-Ontology: Function@Ol-User%Kif-Relations, Relation@Ol-User%Kif-Relations, Set@Ol-User%Kif-Sets

Documentation@Ol%Frame-Ontology:

If $tau_1$, ..., $tau_n$ denote numbers, then the term {tt (* $tau_1 ldots tau_n$)} denotes the product of those numbers.

Axioms for *:

(Undefined@Ol-User%Kif-Extensions (Arity@Frame-Ontology *))

Implication Axioms mentioning *:

(=> (Rational-Number ?X)
    (Exists (?Y) (And (Integer ?Y) (Integer (* ?X ?Y)))))

Equivalence Axioms mentioning *:

(<=> (Rational-Number ?X)
     (And (Real-Number ?X)
          (Exists (?Y) (And (Integer ?Y) (Integer (* ?X ?Y))))))