y from cl:subtypep. See the followings. </p>
<code>gx-user(35): (subtypep rdf:Alt 
rdfs:Container)<br/>t<br/>t<br/>gx-user(36): (subtypep rdf:Alt 
rdfs:Resource)<br/>t<br/>t<br/>gx-user(37): (subtypep 
&lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#Alt&gt;<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;rdfs:Resource)<br/>t<br/>t<br/>gx-user(38): 
(subtypep xsd:integer rdfs:Literal)<br/>t<br/>t<br/>gx-user(39): (subtypep 
xsd:integer rdfs:Resource)<br/>t<br/>t<br/></code>
<