While I've only seen 結論 used in expressions like "Which conclusion do you
arrive at?", I've seen both 断定 and 結論 used when saying "Don't draw a hasty
conclusion".

What are the differences between the two, and when is one more appropriate
than the other?
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2013-11-01T20:32:59.630
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2021-11-26T03:07:40.657
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question
word-choice nuances
What's the difference between 断定 and 結論
Remember that 断つ means "to cut [off]", which carries the connotation of "put
an end to", i.e. discussions or other progressing concepts.

A related word is 断言 which means, more or less, "the final word", or "an
authoritative answer". Often used in a negative context when searching for a
tactful dodge: 「断言できないね」.

So 断定 is then "to set with finality", while 結論 can be "to tie together
theory/discussion".

In general it's a good rule of thumb at least with 漢語 to ask first what the
characters are saying, and then try to connect that to the meaning.
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2013-11-02T00:25:56.953
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answer