Function Second-Item

• Defined in ontology: Kif-extensions
• Source pathname: /tmp_mnt/vol/q/htw/cms/ontolingua/examples/kif/../../all-ontologies/kif/kif-extensions.lisp

Instance-Of@Frame-Ontology:

Binary-Relation, Function, Relation, Set

Arity@Frame-Ontology: 2

Documentation@Ol%Frame-Ontology:

returns the second item in the specified list. If the length of the list is 0 or 1, this function is undefined. This is different from Lisp's SECOND function, which returns NIL, which means both false and null list.