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No TPTP formula. May not be expressible in strict first order. Languages.kif 7726-7726 德语小组语言 是 西德语 的 subclass
No TPTP formula. May not be expressible in strict first order. Languages.kif 7732-7732 中德语 是 德语小组语言 的 subclass
No TPTP formula. May not be expressible in strict first order. Languages.kif 7941-7941 上德语 是 德语小组语言 的 subclass


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