(subclass Polygon ClosedTwoDimensionalFigure) | Mid-level-ontology.kif 4874-4874 | Polygon は ClosedTwoDimensionalFigure の subclass では %n |
(subclass Triangle Polygon) | Mid-level-ontology.kif 4893-4893 | Triangle は Polygon の subclass では %n |
(subclass Quadrilateral Polygon) | Mid-level-ontology.kif 4913-4913 | Quadrilateral は Polygon の subclass では %n |