| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 5459-5459 | |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 5458-5458 | 子類 PineWood and Softwood |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | Geography.kif 6560-6560 | 相關的內部概念 松樹 and PineWood |
| antecedent |
|
|
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 5461-5466 |
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