@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 : <#> .

<> a test:Test;
   owl:versionInfo "$Id: uncle-1.n3,v 1.3 2003/06/24 23:18:13 mdean Exp $";
   rdfs:comment "basic property chaining".

:mike :parent :joe.
:joe :brother :leon.

{ ?child :parent ?p.
  ?p :brother ?u. }
=>
{ ?child :uncle ?u }.

{ :mike :uncle :leon }
=>
{ <> test:successful "true" }
.