| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Economy.kif 5396-5396 | |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 5395-5395 | WhiteOakWood 是 Hardwood 的 subclass |
| appearance as argument number 2 |
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| No TPTP formula. May not be expressible in strict first order. | Geography.kif 6537-6537 | WhiteOakTree 和 WhiteOakWood 是 内部相关 |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 65734-65734 |
| antecedent |
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| No TPTP formula. May not be expressible in strict first order. | Economy.kif 5398-5403 |
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