| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 3607-3607 | 线 是 人工制品 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 3616-3616 | 钢丝弹簧 是 线 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 3621-3621 | 电线 是 线 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 3068-3068 | WireCoil 是 线 的 subclass |
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