No TPTP formula. May not be expressible in strict first order. | Sports.kif 248-248 | Car racing is a subclass of racing |
No TPTP formula. May not be expressible in strict first order. | Sports.kif 251-251 | Formula one racing is a subclass of car racing |
No TPTP formula. May not be expressible in strict first order. | Sports.kif 253-253 | Kart racing is a subclass of car racing |