No TPTP formula. May not be expressible in strict first order. | Merge.kif 17809-17809 | Closed two dimensional figure is a subclass of two dimensional figure |
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 4973-4973 | Circle sector is a subclass of closed two dimensional figure |
No TPTP formula. May not be expressible in strict first order. | Merge.kif 7613-7613 | Oval is a subclass of closed two dimensional figure |