| Lubricant | |
| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Cars.kif 2983-2985 | |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 2981-2981 | Lubricant 是 物质 的 subclass |
| appearance as argument number 2 |
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|
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 2987-2987 | Grease 是 Lubricant 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 2982-2982 |
| consequent |
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| No TPTP formula. May not be expressible in strict first order. | Cars.kif 3005-3010 |
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