| Lubricant | |
| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Cars.kif 2960-2962 | |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 2958-2958 | 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 2964-2964 | Grease 是 Lubricant 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 2959-2959 |
| consequent |
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| No TPTP formula. May not be expressible in strict first order. | Cars.kif 2982-2987 |
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