Questions tagged [unanswered-questions]

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25
votes
4answers
570 views

Is a proof of impossibility allowed as an answer?

I was thinking of a proof of impossibility for a long-running unanswered question on this site. By a proof of impossibility, what I mean is a proof that no possible answer can solve the challenge. ...
6
votes
1answer
181 views

Could self-answered questions be “unanswered”?

On each SE there's an "Unanswered" tab which shows all questions that don't have a positively voted answer. Even if you answer your own question (and it gets an upvote), the question doesn't appear in ...