holds.pl -- The *holds* predicate.

author

- Daniel Beßler

license

- BSD

 holds(?Subject, ?Property, ?Value) is nondet[multifile]

Query values of a property on some subject. In case of datatype properties, the value may be a term `Operator(Value)` where Operator is a comparison operator (e.g. "<"), meaning that only triples are yielded where the comparison between actual value and Value yields true.

Arguments:

Subject	- The subject of a triple.
Property	- The predicate of a triple.
Value	- The object of a triple.

 holds(+Query) is nondet

Same as holds/3 with arguments wrapped into a single term `Property(Subject,Value)`.

Arguments:

Query

- the query term.