| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 8808-8808 | 油 是 复合物质 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 1677-1677 | 石油产品 是 油 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Food.kif 2871-2871 | AnimalFat 是 油 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Food.kif 2930-2930 | ButterFat 是 油 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 4526-4526 | OilFromPlant 是 油 的 subclass |
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