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Formal Language: 



KB Term:  Term intersection
English Word: 

Sigma KEE - BorderFn
BorderFn

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


(documentation BorderFn EnglishLanguage "(BorderFn ?AREA1 ?AREA2) denotes the border area where the GeographicAreas ?AREA1 and ?AREA2 meet.") Geography.kif 684-685
(domain BorderFn 1 GeographicArea) Geography.kif 680-680
(domain BorderFn 2 GeographicArea) Geography.kif 681-681
(instance BorderFn BinaryFunction) Geography.kif 678-678
(range BorderFn GeographicArea) Geography.kif 682-682

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


(format EnglishLanguage BorderFn "the border of %1 and %2") domainEnglishFormat.kif 90-90
(names "border" BorderFn) Geography.kif 679-679
(subrelation ShorelineFn BorderFn) Geography.kif 5758-5758
(termFormat EnglishLanguage BorderFn "border") domainEnglishFormat.kif 2365-2365

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


(=>
    (and
        (instance
            (BorderFn ?COUNTRY1 ?COUNTRY2) GeographicArea)
        (instance ?COUNTRY1 Nation)
        (instance ?COUNTRY2 Nation))
    (instance
        (BorderFn ?COUNTRY1 ?COUNTRY2) InternationalBorder))
Geography.kif 697-702
(=>
    (instance
        (BorderFn ?AREA1 ?AREA2) GeographicArea)
    (meetsSpatially ?AREA1 ?AREA2))
Geography.kif 687-689
(=>
    (instance
        (BorderFn ?AREA1 ?AREA2) GeographicArea)
    (orientation ?AREA1 ?AREA2 Adjacent))
Geography.kif 704-706

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


(=>
    (and
        (instance
            (BorderFn ?COUNTRY1 ?COUNTRY2) GeographicArea)
        (instance ?COUNTRY1 Nation)
        (instance ?COUNTRY2 Nation))
    (instance
        (BorderFn ?COUNTRY1 ?COUNTRY2) InternationalBorder))
Geography.kif 697-702
(=>
    (and
        (instance ?OBJ1 GeographicArea)
        (instance ?OBJ2 GeographicArea))
    (equal
        (BorderFn ?OBJ1 ?OBJ2)
        (BorderFn ?OBJ2 ?OBJ1)))
Geography.kif 691-695
(=>
    (instance ?X Checkpoint)
    (or
        (exists (?ROAD)
            (and
                (instance ?ROAD Road)
                (orientation ?ROAD ?X Near)))
        (exists (?REG1 ?REG2)
            (orientation
                (BorderFn ?REG1 ?REG2) ?X Near))))
Geography.kif 734-742
(=>
    (sharedBorderLength ?N1 ?N2 ?M)
    (length
        (BorderFn ?N1 ?N2) ?M))
Geography.kif 750-752


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