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理論 りろんづけなければいけない
riron zukenakereba ikenai

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Ichidan Verb
, 
i-Adjective

Alternative obligation form of 理論づける

1. Must be justified.; Needs justification.; Should be reasoned.

Obligation

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理論づけなければいけない

理論づけなければいけない【りろんずけなければいけない】 Activity

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