| No TPTP formula. May not be expressible in strict first order. | Cars.kif 5090-5090 | 子類 LightBulb and ElectricLightFixture |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 5102-5102 | 子類 LED and LightBulb |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 5106-5106 | 子類 FluorescentLightBulb and LightBulb |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 5109-5109 | 子類 IncandescentLightBulb and LightBulb |
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