| No TPTP formula. May not be expressible in strict first order. | Languages.kif 13477-13477 | Central and south new guinea kutuban language is a subclass of central and western main section trans new guinea language |
| No TPTP formula. May not be expressible in strict first order. | Languages.kif 13484-13484 | Central and south new guinea language is a subclass of central and south new guinea kutuban language |
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