| No TPTP formula. May not be expressible in strict first order. | engineering.kif 315-315 | 多极 是 模型 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 478-478 | 双极 是 多极 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 587-587 | Fourpole 是 多极 的 subclass |
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