No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 15250-15250 | 过境障碍 是 客体 的 subclass |
No TPTP formula. May not be expressible in strict first order. | Transportation.kif 3065-3065 | 坝 是 过境障碍 的 subclass |
No TPTP formula. May not be expressible in strict first order. | Transportation.kif 3071-3071 | 运河闸门 是 过境障碍 的 subclass |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 15255-15255 | 门 是 过境障碍 的 subclass |