| TwoDimensionalAngle(two dimensional angle)
| | angle, complementary_angles, corner, dogleg |
| appearance as argument number 1 |
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| (documentation TwoDimensionalAngle ChineseLanguage "这是任何两个 OneDimensionalFigure(即是 直线)相遇的的单个 GeometricPoint。") | chinese_format.kif 3978-3979 | |
| (documentation TwoDimensionalAngle EnglishLanguage "Any two OneDimensionalFigures (i.e. straight lines) meeting at a single GeometricPoint.") | Merge.kif 16555-16556 | |
| (externalImage TwoDimensionalAngle "http://upload.wikimedia.org/wikipedia/ commons/ b/ bf/ Angle_Symbol.svg") | pictureList.kif 2418-2418 | |
| (externalImage TwoDimensionalAngle "http://upload.wikimedia.org/wikipedia/ commons/ c/ ce/ Angle_measure.svg") | pictureList.kif 2048-2048 | |
| (partition TwoDimensionalAngle RightAngle ObliqueAngle AcuteAngle) | Mid-level-ontology.kif 5175-5175 | Two dimensional angle is exhaustively partitioned into right angle, oblique angle, and acute angle |
| (subclass TwoDimensionalAngle OpenTwoDimensionalFigure) | Merge.kif 16554-16554 | Two dimensional angle is a subclass of open two dimensional figure |
| appearance as argument number 2 |
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| (subclass AcuteAngle TwoDimensionalAngle) | Mid-level-ontology.kif 5172-5172 | Acute angle is a subclass of two dimensional angle |
| (subclass ObliqueAngle TwoDimensionalAngle) | Mid-level-ontology.kif 5153-5153 | Oblique angle is a subclass of two dimensional angle |
| (subclass RightAngle TwoDimensionalAngle) | Mid-level-ontology.kif 5164-5164 | Right angle is a subclass of two dimensional angle |
| (termFormat ChineseLanguage TwoDimensionalAngle "二维角度") | domainEnglishFormat.kif 59583-59583 | |
| (termFormat ChineseTraditionalLanguage TwoDimensionalAngle "二維角度") | domainEnglishFormat.kif 59582-59582 | |
| (termFormat EnglishLanguage TwoDimensionalAngle "two dimensional angle") | domainEnglishFormat.kif 59581-59581 |
| appearance as argument number 3 |
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| (domain angleOfFigure 1 TwoDimensionalAngle) | Merge.kif 16583-16583 | The number 1 argument of angle of figure is an instance of two dimensional angle |
| (domain angularMeasure 1 TwoDimensionalAngle) | Merge.kif 16616-16616 | The number 1 argument of angular measure is an instance of two dimensional angle |
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