No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 4874-4874 | Polygon is a subclass of closed two dimensional figure |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 4893-4893 | Triangle is a subclass of polygon |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 4913-4913 | Quadrilateral is a subclass of polygon |