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KB Term:  Term intersection
English Word: 

Sigma KEE - Quadrilateral
Quadrilateral(quadrilateral)
parallelogram, quadrangle, quadrilateral, tetragon, trapezium, trapezoid

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 Quadrilateral is a subclass of polygon

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


(subclass Rectangle Quadrilateral) Mid-level-ontology.kif 5227-5227 Rectangle is a subclass of quadrilateral
(termFormat ChineseLanguage Quadrilateral "四边形") domainEnglishFormat.kif 48182-48182
(termFormat ChineseTraditionalLanguage Quadrilateral "四邊形") domainEnglishFormat.kif 48181-48181
(termFormat EnglishLanguage Quadrilateral "quadrilateral") domainEnglishFormat.kif 48180-48180

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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