wisely. SWCLOS accepts such piecewise and multiple 
definitions for multiple slots on a resource. After the above example, you can 
add a new slot (vin:hasColor vin:Red) to vin:ElyseZinfandel as 
follows.</p>
<code>gx-user(9): (defIndividual 
vin:ElyseZinfandel (vin::hasColor vin::Red))<br/>Warning: Entail by rdf1: 
vin::hasColor rdf:type rdf:Property.<br/>#&lt;vin:Zinfandel 
vin:ElyseZinfandel&gt;<br/>gx-user(10): (get-form 
vin:ElyseZinfandel)<br/>(|rdfs:Resource| vin:ElyseZinfandel (rdf:type 
vin:Zinfand