created on March 11, 2013, 4:29 p.m. by Hevok & updated on March 11, 2013, 4:29 p.m. by Hevok
There are two predifined Classes in OWL which are from Description Logic, and are the Top Class and the Bottom Class. In OWL it is owl:Thing and owl:Nothing, the empty Class.
Classes start with a Capital Letter.
Defining an OWL Class is easy. For instance, Denigma is an owl:Class. Thus Denigma is of RDF type owl:Class
Definition of a Class
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