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Sigma KEE - BeginNodeFn
BeginNodeFn

appearance as argument number 1
-------------------------


(documentation BeginNodeFn ChineseLanguage "这是一个 UnaryFunction,它把一个 GraphPath 联系到 GraphPath 开端的 GraphNode。注:跟 InitialNodeFn 不同 (把一个 GraphArc 和一个 GraphNode 联系), BeginNodeFn 是一个总体的函数 - 每个 GraphPath 都有它的开端。") chinese_format.kif 2362-2364
(documentation BeginNodeFn EnglishLanguage "A UnaryFunction that maps a GraphPath to the GraphNode that is the beginning of the GraphPath. Note that, unlike InitialNodeFn (which relates a GraphArc to a GraphNode), BeginNodeFn is a total function - every GraphPath has a beginning.") Merge.kif 5713-5716
(domain BeginNodeFn 1 GraphPath) Merge.kif 5709-5709
(instance BeginNodeFn TotalValuedRelation) Merge.kif 5708-5708
(instance BeginNodeFn UnaryFunction) Merge.kif 5707-5707
(range BeginNodeFn GraphNode) Merge.kif 5710-5710
(relatedInternalConcept BeginNodeFn InitialNodeFn) Merge.kif 5711-5711

appearance as argument number 2
-------------------------


(format ChineseLanguage BeginNodeFn "%1 的开端") chinese_format.kif 765-765
(format EnglishLanguage BeginNodeFn "the beginning of %1") english_format.kif 768-768
(termFormat ChineseLanguage BeginNodeFn "开始节点") domainEnglishFormat.kif 10580-10580
(termFormat ChineseLanguage BeginNodeFn "节点开端函数") chinese_format.kif 766-766
(termFormat ChineseTraditionalLanguage BeginNodeFn "開始節點") domainEnglishFormat.kif 10579-10579
(termFormat EnglishLanguage BeginNodeFn "begin node") domainEnglishFormat.kif 10578-10578

consequent
-------------------------


(<=>
    (instance ?GRAPH GraphCircuit)
    (exists (?NODE)
        (and
            (equal
                (BeginNodeFn ?GRAPH) ?NODE)
            (equal
                (EndNodeFn ?GRAPH) ?NODE))))
Merge.kif 5551-5556
(=>
    (and
        (distanceOnPath ?DIST ?PATH)
        (pathInSystem ?PATH ?SYS)
        (routeStart ?START ?PATH)
        (routeEnd ?END ?PATH)
        (abstractCounterpart ?GRAPH ?SYS))
    (exists (?S ?BN ?EN)
        (and
            (subGraph ?S ?GRAPH)
            (equal ?BN
                (BeginNodeFn ?GRAPH))
            (equal ?EN
                (EndNodeFn ?GRAPH))
            (abstractCounterpart ?BN ?START)
            (abstractCounterpart ?EN ?END))))
Transportation.kif 2813-2826
(=>
    (and
        (instance ?GRAPH Graph)
        (instance ?NODE1 GraphNode)
        (instance ?NODE2 GraphNode)
        (graphPart ?NODE1 ?GRAPH)
        (graphPart ?NODE2 ?GRAPH)
        (not
            (equal ?NODE1 ?NODE2)))
    (exists (?ARC ?PATH)
        (or
            (links ?NODE1 ?NODE2 ?ARC)
            (and
                (subGraph ?PATH ?GRAPH)
                (instance ?PATH GraphPath)
                (or
                    (and
                        (equal
                            (BeginNodeFn ?PATH) ?NODE1)
                        (equal
                            (EndNodeFn ?PATH) ?NODE2))
                    (and
                        (equal
                            (BeginNodeFn ?PATH) ?NODE2)
                        (equal
                            (EndNodeFn ?PATH) ?NODE1)))))))
Merge.kif 5425-5445


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