Suppose that I posted, as an answer, a fairly good hint to a question, but the OP still can't solve it on their own, and they ask me for further details. Would it be rude if I did not reply?

The only reason I'd choose to do that would be foreseeing that it would lead to me eventually giving out a detailed, complete answer, and I don't want to do that because it is the kind of questions where the details can be easily filled in if the student understands the underlying material well.

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    $\begingroup$ "Would it be rude if I did not reply?" - not that rude; if you want to be a bit more polite, you can explicitly tell the OP not to ping you further in a comment. $\endgroup$ Commented Jan 15, 2017 at 17:56
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    $\begingroup$ It is strictly your call to decide how much help you want to feed to the asker. So, Not rude. Brace yourself for the reality that somebody else may still give a full, detailed, copy/pastable answer. $\endgroup$ Commented Jan 15, 2017 at 18:16
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    $\begingroup$ I've upvoted this because it is a good Question, but I disagree with posting a hint as an answer when you don't want to give "a detailed, complete answer". Find Questions to answer you think deserve your effort. $\endgroup$
    – hardmath
    Commented Jan 15, 2017 at 19:21
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    $\begingroup$ @amwhy: All too often I find myself reviewing perfunctory hints posted as Answers. It can be argued that incomplete hints are helpful, but does it make a hint more useful if posted as Answer rather than as Comment? My point is that if one knows in advance that one will not want to give anything more than a hint, it is a sign it should not be offered as an Answer. $\endgroup$
    – hardmath
    Commented Jan 15, 2017 at 22:06
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    $\begingroup$ I don't disagree with you @hardmath, really. As I initially mentioned, my former comment was addressing carefully constructed hints, which, unfortunately, too rare anyway. With respect to your point, in the past, when I've carefully constructed hints, its usually been with questioners who that like to have more of a participatory engagement..work well with a "conversational answer"...but to be successful, one must remain accessible and willing to confirm an OP's effort, or further clarify one's answer . $\endgroup$
    – amWhy
    Commented Jan 15, 2017 at 22:18
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    $\begingroup$ I do this pretty often @OpenBall, for the exact reason you gave. $\endgroup$
    – Kaj Hansen
    Commented Jan 15, 2017 at 23:48
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    $\begingroup$ @J.M.isn'tamathematician My take is it would be more polite if you just leave it rather than telling the user not to ping. $\endgroup$
    – user312097
    Commented Jan 16, 2017 at 0:07
  • $\begingroup$ I don't know, I would rather accept if someone takes that hint and posts answer explicitly explaining point which confuses me. I think it is up to the one who answers, but if one doesn't answer on such comment I feel that I don't have to accept his answer $\endgroup$ Commented Jan 19, 2017 at 16:41
  • $\begingroup$ These questions on meta are (to some extent) related: When should I stop answering to OP and Etiquette dilemma $\endgroup$ Commented Mar 5, 2018 at 6:24

6 Answers 6


Nope. Nobody has the right to usurp your time. In fact, it is rude of someone to expect that you drop everything to answer every single follow-up question they may possibly have. You are here for your enjoyment, not out of a debt to anyone.

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    $\begingroup$ I find this answer pretty sad and egocentric. $\endgroup$
    – quid Mod
    Commented Jan 15, 2017 at 20:28
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    $\begingroup$ @quid: So you do. Not my place to be Mr. Popularity. When you have been harassed by a user who cannot do anything by his/herself with an endless series of questions, then you may end up realizing the same thing I did. $\endgroup$
    – Ron Gordon
    Commented Jan 15, 2017 at 20:30
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    $\begingroup$ Well, you know, it could also be that when I do not have those problems so much it is that I approach the situation differently from the start. $\endgroup$
    – quid Mod
    Commented Jan 15, 2017 at 20:34
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    $\begingroup$ Ironically, though not really, as the votes come in you seem to be Mr. Popularity with that attitude, which now maybe really ironically is in the end pretty close to that of those users that "harassed" you. $\endgroup$
    – quid Mod
    Commented Jan 15, 2017 at 23:11
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    $\begingroup$ I agree with the answer to this question, the first and last sentences, "Nope. ... You are here for your enjoyment, not out of a debt to anyone." The middle part doesn't support that, but instead answers a question that wasn't asked, something like "Is it rude to expect all comments to be answered (thoroughly and promptly)"? Perhaps the questions aren't independent, but the middle part at least seems exaggerated as a counterpoint, because a response of "I will not elaborate further (optionally with a reason given)" given at your leisure doesn't require much. $\endgroup$ Commented Jan 17, 2017 at 23:11
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    $\begingroup$ I crusade quite hard against egotism on this site, but I thought this answer was pretty spot-damn-on. $\endgroup$
    – The Count
    Commented Jan 18, 2017 at 19:11
  • $\begingroup$ Straight to the point... $\endgroup$
    – tired
    Commented Jan 26, 2017 at 17:03

In the specific case you describe I second what J.M. said. In my opinion the most apt course of action is to state that you do not wish to elaborate.

This has several advantages:

  1. OP knows there is no point in waiting for you to reply.

  2. Others will know that you decided actively not to elaborate further and this might very well inform what they do. It is common for other user to step in and provide additional details. I do this frequently. I do this to avoid the wait until the original answerer comes back. I usually would not if I knew they actively do not want to give more information out of some pedagogical consideration.

Thus, leaving considerations of etiquette it is efficient to be explicit regarding your intentions.

It depends on context but, generally, I do feel it is a bit impolite not to acknowledge a request. Not to do what is requested is fair game, but at least you should say so.

Of course, such as there can be exceptions, if there were earlier interactions or the answer is explicit about it not being developed etc.

I also agree with hardmath that if you find yourself often in that situation you may want to look into the choice of the questions you answer. The point of the site actually is for the most part to give ready-to-use answers. This is a vague notion, but it still means that it is in principle not at all unreasonable that somebody asks for further details.

Certainly, some user behave in unreasonable ways, but one request for further details is pretty reasonable and should be treated as such and not as an attempt to "usurp [ones] time" etc.


It depends on the circumstance. If you post one comment or answer (a hint, as you say) and the OP requests further clarification in the comments and you choose not to reply, I believe that is rude. Facilitating mathematical discussion is the reason we have a "commenting" system; if you're uninterested in discussing, don't answer in the first place. If you've given a hint and you believe further hints will lead to an answer, explicitly say so; you don't need to ignore. From a pedagogic standpoint (this is based on my personal experience tutoring), in most cases, it's possible to elaborate on hints without giving a full solution.

On the other hand, if after several comments it's clear that the discussion is going nowhere and it's fruitless for you to comment any further, in this case, I feel, not replying would be appropriate, though it's best to explicitly say you will not comment any further.


I believe that simply choosing not to reply is a bit rude. I would support leaving a comment such as "Please put more effort into this question. I would rather not post a full solution" instead of not replying.


I understand your point that sometimes you feel that the student is not giving a minimum effort, and it is true that you have no moral obligation to reply and elaborate. The best course of action however, in my eyes, as a student, is to reply by saying something along the lines of:

"what I have written is a direct basic application using the definition of this or that, revise them and I promise the hint should largely be sufficient".


Think about what you would want, if you were asking the question. (You should be able to figure out the answer from this fairly good hint.)

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    $\begingroup$ The "golden rule" is often a guide to proper behavior, tho terribly underused. $\endgroup$ Commented Jan 19, 2017 at 12:56

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