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Mar 7, 2014 at 23:04 comment added Li Yutong Thank you very much! I see where I was wrong: $\otimes F$ can be used to define a right derived functor, but we usually define it as a left derived functor, and they two may not the same.
Mar 7, 2014 at 23:01 vote accept Li Yutong
Mar 7, 2014 at 14:17 history answered answer_bot CC BY-SA 3.0