| No TPTP formula. May not be expressible in strict first order. | Cars.kif 4564-4564 | 子類 EightCylinderEngine and IntermittentCombustionEngine |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 4712-4712 | 子類 RoverV8Engine and EightCylinderEngine |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 5114-5114 | 子類 GMLs1V8engine and EightCylinderEngine |
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