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である
dearu
JLPT N3
Edit  Amatuka
Meaning
To be, is (formal equivalent of だ [da])
Edit  Amatuka
Formation
See also
Phrases
いしゃであるたなかさん
The Tanaka san who is a doctor.
Edit  #3187 dc
そうであるとしても、このばあいはべつでしょう。
Even if that is correct, would it not have to be different in this case?
Edit  #3191 bamboo4
いつもしょうじきであるということは、よういなことではない。
To be always honest is not easy.
Edit  #4955 Miki
我輩は猫である。
Edit  #7085 lafcadio10
Discussion and comments
I don't see why である is being distinguished from だ even though ではない is included on the page for だ. Furthermore, several forms have been missed, such as でない (traditional negative form of である) as well as であろう (traditional negative form of darou).
Eeker
Usually used in written, formal works.
Amatuka
One way in which である (dearu) can be used where だ (da) cannot is to modify nouns.
e.g. 医者である田中さん (senshu de aru tanakasan) The Tanakasan who is a doctor.
Amatuka
roma-ji is wrong for e.g. in user comments.
医者である田中さん(isha de aru tanaka-san)
Miki
I agree with Eeker. It would be better remove English meaning of (formal equivalent of だ [da]).
Miki
I think de aru is found in formal written texts. Thesis, abstracts, conference text, just to name a few examples.
blackburn