RE: "If" and "else" in RDF

<- <rdfs:Class id="Gender" rdfs:label="Gender"/>
<- <rdf:Property id="address" rdfs:domain="#Gender"
<- rdfs:range="http://www.w3.org/2000/01/rdf-schema#Literal"/>
<- 
<- <Gender id="Male">
<-    <rdfs:label>Male</rdfs:label>
<-    <address>Mr</address>
<- </Gender>
<- 
<- <Gender id="Female">
<-    <rdfs:label>Female</rdfs:label>
<-    <address>Ms</address>
<- </Gender>
<- 
<- To me the relationship is implicit in the definition, no "if 
<- then" is really 
<- needed.
<- 
<- I dunno if this helps in any way, but it did me.

Yep, that's better, thankyou ;-)