Core NonSafeness

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Test TypeNegativeSyntaxTest
ContributorJos de Bruijn
StatusApproved
RecordF2F13
DialectPRD
PurposeTest that non-safe formulas are not accepted.
DescriptionThe variable ?z is not bound, and consequently ?y is not bound.
SeeAlso
SpecRefhttp://www.w3.org/2005/rules/wiki/Core#Safeness
Input
Presentation SyntaxDocument( Prefix(ex <http://example.org/example#>) Prefix(pred <http://www.w3.org/2007/rif-builtin-predicate#>) Group( Forall ?y ?z (ex:p(?y) :- And( ?y=?z External(pred:numeric-greater-than(?z 0)) )) ) )
XMLview RIF/XML