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No TPTP formula. May not be expressible in strict first order. Languages.kif 8647-8647 Indo iranian language is a subclass of indo european language
No TPTP formula. May not be expressible in strict first order. Languages.kif 8654-8654 Indo aryan language is a subclass of indo iranian language
No TPTP formula. May not be expressible in strict first order. Languages.kif 8871-8871 Iranian language is a subclass of indo iranian language


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