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[Bug 1585] New: [FS] technical: 4.1.5 Function Calls: free pattern in not()

From: <bugzilla@wiggum.w3.org>
Date: Thu, 14 Jul 2005 04:19:19 +0000
To: public-qt-comments@w3.org
Cc:
Message-Id: <E1DsvBv-0003GW-PO@wiggum.w3.org>

http://www.w3.org/Bugs/Public/show_bug.cgi?id=1585

           Summary: [FS] technical: 4.1.5 Function Calls: free pattern in
                    not()
           Product: XPath / XQuery / XSLT
           Version: Last Call drafts
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Formal Semantics
        AssignedTo: simeon@us.ibm.com
        ReportedBy: jmdyck@ibiblio.org
         QAContact: public-qt-comments@w3.org


4.1.5 Function Calls

DErr / rule (2|3|4)
"statEnv |- not (Value against Type promotes to Value')"
(rule 2 also has 'i' subscripts, no matter)
    This doesn't do what you want. The pattern Value' has no other
    occurrence in the rule, so given *any* bindings for Value and Type,
    it's easy to find a binding for Value' that makes the premise hold.
    (Never have a completely free pattern within a not()!)
Received on Thursday, 14 July 2005 04:19:27 UTC

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