No TPTP formula. May not be expressible in strict first order. | Transportation.kif 1783-1783 | Unpowered vehicle is a subclass of vehicle |
No TPTP formula. May not be expressible in strict first order. | Transportation.kif 1821-1821 | Trailer is a subclass of unpowered vehicle |
No TPTP formula. May not be expressible in strict first order. | Transportation.kif 1847-1847 | Wagon is a subclass of unpowered vehicle |
No TPTP formula. May not be expressible in strict first order. | Transportation.kif 2594-2594 | Glider plane is a subclass of unpowered vehicle |