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Sigma KEE - RightAngle
RightAngle(right angle)

appearance as argument number 1

(documentation RightAngle EnglishLanguage "Any TwoDimensionalAngle that has the angularMeasure of 90 AngularDegrees.") Mid-level-ontology.kif 4583-4584
(externalImage RightAngle " 6/ 6c/ Right_angle.svg") pictureList.kif 1959-1959
(instance RightAngle PositionalAttribute) Cars.kif 2249-2249 Right angle is an instance of positional attribute
(subclass RightAngle TwoDimensionalAngle) Mid-level-ontology.kif 4582-4582 Right angle is a subclass of two dimensional angle

appearance as argument number 2

(partition TwoDimensionalAngle RightAngle ObliqueAngle AcuteAngle) Mid-level-ontology.kif 4593-4593 Two dimensional angle is exhaustively partitioned into right angle, oblique angle, and acute angle
(termFormat ChineseLanguage RightAngle "直角") domainEnglishFormat.kif 49995-49995
(termFormat ChineseTraditionalLanguage RightAngle "直角") domainEnglishFormat.kif 49994-49994
(termFormat EnglishLanguage RightAngle "right angle") domainEnglishFormat.kif 49993-49993


    (instance ?A RightAngle)
    (angularMeasure ?A 90.0))
Mid-level-ontology.kif 4586-4588


    (instance ?D Differential)
    (exists (?G1 ?G2)
            (instance ?G1 Gear)
            (instance ?G2 Gear)
            (part ?G1 ?D)
            (part ?G2 ?D)
            (orientation ?G1 ?G2 RightAngle))))
Cars.kif 2257-2265
    (instance ?RECTANGLE Rectangle)
        (angleOfFigure ?ANGLE ?RECTANGLE)
        (instance ?ANGLE RightAngle)))
Mid-level-ontology.kif 4650-4654
    (instance ?T RightTriangle)
    (exists (?A)
            (instance ?A RightAngle)
            (angleOfFigure ?A ?T))))
Mid-level-ontology.kif 4629-4634

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