tlebar">
<div class="defname">defProperty <i>name (role1 filler1) ... </i></div>
<div class="deftype">[Macro]</div></div>
<div class="defdescribe">This macro works as same as <b>defIndividual</b> but the default 
  rdf:type value is rdf:Property. </div></p>
<h3>5.6 &nbsp;Adding Slots </h3>
<p>In class-based Object-Oriented Programming Language like CLOS, slot 
structures in an instance must be defined before making the instance. However, 
in RDF, a property as predicate and its value can be defined at any R