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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 5871-5874
(domain BeginNodeFn 1 GraphPath) Merge.kif 5867-5867 The number 1 argument of begin node is an instance of graph path
(instance BeginNodeFn TotalValuedRelation) Merge.kif 5866-5866 Begin node is an instance of total valued relation
(instance BeginNodeFn UnaryFunction) Merge.kif 5865-5865 Begin node is an instance of unary function
(range BeginNodeFn GraphNode) Merge.kif 5868-5868 The range of begin node is an instance of graph node
(relatedInternalConcept BeginNodeFn InitialNodeFn) Merge.kif 5869-5869 Begin node is internally related to initial node

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 765-765
(termFormat ChineseLanguage BeginNodeFn "开始节点") domainEnglishFormat.kif 10579-10579
(termFormat ChineseLanguage BeginNodeFn "节点开端函数") chinese_format.kif 766-766
(termFormat ChineseTraditionalLanguage BeginNodeFn "開始節點") domainEnglishFormat.kif 10578-10578
(termFormat EnglishLanguage BeginNodeFn "begin node") domainEnglishFormat.kif 10577-10577

antecedent
-------------------------


(=>
    (and
        (equal
            (BeginNodeFn ?GRAPH) ?NODE)
        (equal
            (EndNodeFn ?GRAPH) ?NODE))
    (instance ?GRAPH GraphCircuit))
Merge.kif 5690-5694

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


(=>
    (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 2805-2818
(=>
    (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 5557-5577
(=>
    (instance ?GRAPH GraphCircuit)
    (exists (?NODE)
        (and
            (equal
                (BeginNodeFn ?GRAPH) ?NODE)
            (equal
                (EndNodeFn ?GRAPH) ?NODE))))
Merge.kif 5683-5688


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