No TPTP formula. May not be expressible in strict first order. | Cars.kif 4548-4548 | Two cylinder engine is a subclass of intermittent combustion engine |
No TPTP formula. May not be expressible in strict first order. | Cars.kif 4586-4586 | Knucklehead is a subclass of two cylinder engine |
No TPTP formula. May not be expressible in strict first order. | Cars.kif 4690-4690 | Panhead is a subclass of two cylinder engine |