@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix test: <http://www.daml.org/2003/06/ruletests/test-ont#> .
@prefix math: <http://www.w3.org/2000/10/swap/math#> .
@prefix : <#> .

<> a test:Test;
   owl:versionInfo "$Id: comparison-1.n3,v 1.1 2004/01/04 16:56:01 mdean Exp $";
   rdfs:comment "numeric comparison (free shipping on orders over $50)".

:order a :Order;
       :cost "60".

{ ?x a :Order.
  ?x :cost ?c.
  ?c math:greaterThan "50".
}
=>
{ ?x :shipping "0" }
.

{ :order :shipping "0" }
=>
{ <> test:successful "true" }
.