@prefix eg: <http://example.org/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

eg:Square
	a rdfs:Class ;
	rdfs:subClassOf eg:Rectangle ;
	rdfs:label "Square" .

eg:Rectangle
	a rdfs:Class ;
	rdfs:subClassOf eg:Square ;
	rdfs:label "Rectangle" .