Function Acos

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

Instance-Of@Frame-Ontology:

Binary-Relation@Ol-User%Kif-Relations, Function@Ol-User%Kif-Relations, Relation@Ol-User%Kif-Relations, Set@Ol-User%Kif-Sets

Arity@Frame-Ontology: 2

Documentation@Ol%Frame-Ontology:

If $tau$ denotes a number, then the term {tt (acos $tau$)} denotes the arc cosine of that number (in radians).