- Defined in ontology: Kif-relations
- Source pathname: /tmp_mnt/vol/q/htw/cms/ontolingua/examples/kif/../../all-ontologies/kif/kif-relations.lisp
- Instance-Of@Frame-Ontology:
- Binary-Relation, Function, Relation, Set
- Arity@Frame-Ontology: 2
- Documentation@Ol%Frame-Ontology:
The universe of a relation is the set of all objects occurring in some
list contained in that relation.