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English Word: 

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 5505-5508
(domain BeginNodeFn 1 GraphPath) Merge.kif 5501-5501
(instance BeginNodeFn TotalValuedRelation) Merge.kif 5500-5500
(instance BeginNodeFn UnaryFunction) Merge.kif 5499-5499
(range BeginNodeFn GraphNode) Merge.kif 5502-5502
(relatedInternalConcept BeginNodeFn InitialNodeFn) Merge.kif 5503-5503

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 10519-10519
(termFormat ChineseLanguage BeginNodeFn "节点开端函数") chinese_format.kif 766-766
(termFormat ChineseTraditionalLanguage BeginNodeFn "開始節點") domainEnglishFormat.kif 10518-10518
(termFormat EnglishLanguage BeginNodeFn "begin node") domainEnglishFormat.kif 10517-10517

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


(<=>
    (instance ?GRAPH GraphCircuit)
    (exists (?NODE)
        (and
            (equal
                (BeginNodeFn ?GRAPH) ?NODE)
            (equal
                (EndNodeFn ?GRAPH) ?NODE))))
Merge.kif 5343-5348
(=>
    (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 2775-2788
(=>
    (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 5217-5237


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