No TPTP formula. May not be expressible in strict first order. | Cars.kif 4540-4540 | Two cylinder engine is a subclass of intermittent combustion engine |
No TPTP formula. May not be expressible in strict first order. | Cars.kif 4578-4578 | Knucklehead is a subclass of two cylinder engine |
No TPTP formula. May not be expressible in strict first order. | Cars.kif 4682-4682 | Panhead is a subclass of two cylinder engine |