No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 1693-1693 | 汽油 是 物质 的 subclass |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 1687-1687 | 化石燃料 是 汽油 的 subclass |
No TPTP formula. May not be expressible in strict first order. | Cars.kif 1670-1670 | Charcoal 是 汽油 的 subclass |