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KB Term:  Term intersection
English Word: 

Sigma KEE - Quadrilateral
Quadrilateral

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


(documentation Quadrilateral EnglishLanguage "Any four-sided Polygon.") Mid-level-ontology.kif 5221-5221
(externalImage Quadrilateral "http://upload.wikimedia.org/wikipedia/commons/ thumb/ d/ d4/ Square_diagonals.svg/ 250px-Square_diagonals.svg.png") pictureList.kif 1223-1223
(subclass Quadrilateral Polygon) Mid-level-ontology.kif 5220-5220

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


(subclass Rectangle Quadrilateral) Mid-level-ontology.kif 5227-5227
(termFormat ChineseLanguage Quadrilateral "四边形") domainEnglishFormat.kif 48278-48278
(termFormat ChineseTraditionalLanguage Quadrilateral "四邊形") domainEnglishFormat.kif 48277-48277
(termFormat EnglishLanguage Quadrilateral "quadrilateral") domainEnglishFormat.kif 48276-48276

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


(=>
    (instance ?QUAD Quadrilateral)
    (equal
        (CardinalityFn
            (KappaFn ?SIDE
                (sideOfFigure ?SIDE ?QUAD))) 4))
Mid-level-ontology.kif 5223-5225

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


(=>
    (instance ?X FourPosterBed)
    (exists (?SHAPE)
        (and
            (attribute ?X ?SHAPE)
            (instance ?SHAPE Quadrilateral)
            (forall (?CORNER)
                (=>
                    (and
                        (pointOfIntersection ?SIDE1 ?SIDE2 ?CORNER)
                        (sideOfFigure ?SIDE1 ?SHAPE)
                        (sideOfFigure ?SIDE2 ?SHAPE)
                        (not
                            (equal ?SIDE1 ?SIDE2)))
                    (exists (?POST ?FLOOR)
                        (and
                            (meetsSpatially ?CORNER ?POST)
                            (instance ?POST Artifact)
                            (instance ?FLOOR Floor)
                            (orientation ?X ?FLOOR On)
                            (orientation ?POST ?FLOOR Vertical))))))))
Mid-level-ontology.kif 4551-4570


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