No TPTP formula. May not be expressible in strict first order. | Transportation.kif 1923-1923 | Cycle is a subclass of land vehicle |
No TPTP formula. May not be expressible in strict first order. | Transportation.kif 1924-1924 | Cycle is a subclass of agent powered vehicle |
No TPTP formula. May not be expressible in strict first order. | Transportation.kif 1929-1929 | Bicycle is a subclass of cycle |