(subclass TwoDimensionalFigure GeometricFigure) | Merge.kif 17795-17795 | TwoDimensionalFigure は GeometricFigure の subclass では %n |
(subclass OpenTwoDimensionalFigure TwoDimensionalFigure) | Merge.kif 17801-17801 | OpenTwoDimensionalFigure は TwoDimensionalFigure の subclass では %n |
(subclass ClosedTwoDimensionalFigure TwoDimensionalFigure) | Merge.kif 17809-17809 | ClosedTwoDimensionalFigure は TwoDimensionalFigure の subclass では %n |