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理論 りろんづけなければならない
riron zukenakereba naranai

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Ichidan Verb
, 
i-Adjective

Expresses obligation ("must do") of 理論づける

1. Must justify.; Must theorize.; Must rationalize.

Obligation

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理論づけなければならない

理論づけなければならない【りろんずけなければならない】 Activity

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