# $Id: D2Q.n3 490 2005-03-09 14:25:31Z josd $
# PxButton | es  | euler --nope --think D2.n3 --query D2Q.n3
# PxButton | cwm | python /w3ccvs/WWW/2000/10/swap/cwm.py D2.n3 --think --query"=D2Q.n3"

@prefix log: <http://www.w3.org/2000/10/swap/log#>.
@prefix q: <http://www.w3.org/2004/ql#>.
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix : <http://eulersharp.sourceforge.net/2004/04test/sample#>.

@forAll <#X>, <#Y>, <#Z>.
[]
q:select {<> q:answer (<#X> <#Y> <#Z>)};
q:where  {<#X> foaf:knows <#Y>.
          <D2.n3>!log:semantics log:includes {<#Y> foaf:age <#Z>}}.