consists of a builtin and a List of arguments
consists of a classPredicate and argument1
consists of a propertyPredicate (owl:DatatypeProperty), argument1 (owl:Thing), and argument2 (rdfs:Literal)
consists of argument1 (owl:Thing) and argument2 (owl:Thing)
consists of a propertyPredicate (owl:ObjectProperty), argument1 (owl:Thing), and argument2 (owl:Thing)
indicate that a URI is being used as a variable