rdf11:rdf_is_predicate/1

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Predicate rdf_is_predicate/1

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semweb
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rdf_is_predicate(@Term) is semidet

True if Term can appear in the predicate position of a triple.

Success of this goal does not imply that the predicate term is present in the database (see rdf_predicate/1 for that).

Since only IRIs can appear in the predicate position, this is equivalent to rdf_is_iri/1.