efname">typep <i>resource type</i></div>
<div class="deftype">[Function]</div></div>
<div class="defdescribe">returns true if <i>resource</i> is a member of <i>type</i> in RDF 
  semantics. </div></p>
<p>The class-subclass relation in RDFS is defined with rdfs:subClassOf property, 
and the relation is similar to the CLOS class-subclass relation. However, 
<b>gx:subtypep</b> is available to test class-subclass relation in RDF 
semantics. Namely, it accepts uris, QName symbols, and data types in different 
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