No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 8610-8610 | 子類 烴 and 有機化合物 |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 9209-9209 | 子類 橡膠 and 烴 |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 9222-9222 | 子類 塑料 and 烴 |