(subclass ClosedTwoDimensionalFigure TwoDimensionalFigure) | Merge.kif 17831-17831 | ClosedTwoDimensionalFigure は TwoDimensionalFigure の subclass では %n |
(subclass Polygon ClosedTwoDimensionalFigure) | Mid-level-ontology.kif 4871-4871 | Polygon は ClosedTwoDimensionalFigure の subclass では %n |
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