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KB Term:  Term intersection
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Sigma KEE - PurchaseOrderNumber
PurchaseOrderNumber(purchase order number)

appearance as argument number 1
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(documentation PurchaseOrderNumber EnglishLanguage "A SymbolicString for a Purchase which is unique to a buyer.") Mid-level-ontology.kif 32610-32610
(subclass PurchaseOrderNumber SymbolicString) Mid-level-ontology.kif 32611-32611 Purchase order number is a subclass of symbolic string

appearance as argument number 2
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(termFormat EnglishLanguage PurchaseOrderNumber "purchase order number") domainEnglishFormat.kif 65373-65373

antecedent
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(=>
    (instance ?AN PurchaseOrderNumber)
    (exists (?PO ?BUYER ?SELLER ?ENT)
        (and
            (instance ?PO PurchaseOrder)
            (buys ?BUYER ?SELLER ?ENT)
            (uniqueIdWithRespectTo ?PO ?BUYER ?AN))))
Mid-level-ontology.kif 32613-32619 If X is an instance of purchase order number, then there exist Y, Z,, , W, V such that Y is an instance of purchase order, Z buys V from W, and X is a unique ID for Z with respect to Y


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