| ClosedTwoDimensionalFigure(closed two dimensional figure) | Jordan_curve, closed_curve, concave_polygon, convex_polygon, isogon, polygon, polygonal_shape, reentering_polygon, reentrant_polygon, regular_polygon, simple_closed_curve |
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| (documentation ClosedTwoDimensionalFigure ChineseLanguage "这是任何有明确内部和外部分界的 TwoDimensionalFigure。") | chinese_format.kif 3980-3981 | |
| (documentation ClosedTwoDimensionalFigure EnglishLanguage "Any TwoDimensionalFigure which has a well defined interior and exterior.") | Merge.kif 18015-18016 | |
| (externalImage ClosedTwoDimensionalFigure "http://upload.wikimedia.org/wikipedia/ commons/ 4/ 41/ Parallelogram.svg") | pictureList.kif 1701-1701 | |
| (subclass ClosedTwoDimensionalFigure TwoDimensionalFigure) | Merge.kif 18014-18014 | Closed two dimensional figure is a subclass of two dimensional figure |
| appearance as argument number 2 |
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| appearance as argument number 3 |
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