No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 8583-8583 | 烃 是 有机化合物 的 subclass |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 9182-9182 | 橡胶 是 烃 的 subclass |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 9195-9195 | 塑料 是 烃 的 subclass |