No TPTP formula. May not be expressible in strict first order. | Sports.kif 97-97 | Cycle racing is a subclass of sport |
No TPTP formula. May not be expressible in strict first order. | Sports.kif 98-98 | Cycle racing is a subclass of racing |
No TPTP formula. May not be expressible in strict first order. | Sports.kif 99-99 | Cycle racing is a subclass of cycling |