No TPTP formula. May not be expressible in strict first order. | Transportation.kif 1298-1298 | Runway is a subclass of land transitway |
No TPTP formula. May not be expressible in strict first order. | Transportation.kif 1312-1312 | Paved runway is a subclass of runway |
No TPTP formula. May not be expressible in strict first order. | Transportation.kif 1493-1493 | Unpaved runway is a subclass of runway |