No TPTP formula. May not be expressible in strict first order. | Transportation.kif 1338-1338 | Airport classification is a subclass of relational attribute |
No TPTP formula. May not be expressible in strict first order. | Transportation.kif 1347-1347 | Airport by runway surface is a subclass of airport classification |
No TPTP formula. May not be expressible in strict first order. | Transportation.kif 1380-1380 | CIA airport length classification is a subclass of airport classification |