CURED - 2020-02-09

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Bellatrix

01:10

@LeeDavidChungLin aha. I gave my humble opinion about it on math meta chat. As Martin Sleziak said, I think you did get the notification

*didn't

5 hours later…

user21820

06:39

D1, D2, D3.

D4, D5, D6.

D7, D8, D9.

D10, D11, D12.

D13, D14, D15.

C1, C2, C3.

C4, C5, C6.

C7, C8, C9.

C10, C11, C12.

C13, C14, C15.

12 hours later…

stressed out

18:36

Could someone please tell me why this question keeps getting deleted and undeleted?

It's probably the third or the fourth time that this question is deleted in the last 10 days.

user64742

18:53

@AlexanderGruber why are you saying sorry?

amWhy

19:03

@stressedout It is not a question that admits of one correct answer; rather, it solicits a "big list" of various methods for solving the question, which the OP already has a solution for.

@user64742 It's quite clear Alexander is adding "sorry" in the sense, "sorry to disappoint, but your previous suggestion is untenable."

stressed out

@amWhy Yes. And? Isn't that true about most mathematical problems?

amWhy

No, most math problems on math.se are not big-list questions.

stressed out

I have heard that there are more than 100 ways to prove the Pythagorean theorem. Does that mean that asking for "a" proof of the Pythagorean theorem is not a valid question?

I'm sure there are more than a thousand questions on MSE that can be answered using different methods.

amWhy

@stressedout The Op copied a problem statement, and copied a proof they didn't understand. Had the OP asked for an explanation of the proof, that would have been good. But the OP added no details or context about his/her own work, effort, uncertainties, specifics, etc. Hence, it was a PSQ.

stressed out

Here's another way to look at it: The OP was looking for "a" proof that is understandable for him/her, which is a very reasonable thing to do for undergraduate students and I do it all the time. And then the OP showed the proof in their book to show that they wanted a proof other than that.

I see no problem with asking for proofs of theorems. There are thousands of theorems that I understand them, but don't like them. So, asking about another proof on MSE would be a PSQ?

amWhy

19:18

@stressedout Without having posted any clarification of what would help, nor any details, the question was meaningless. How can one ask for a proof that is understandable to one, when one fails to articulate details/understanding/context/what's confusing??

stressed out

Also, the OP mentions in comments that he doesn't get the second line of the proof.

amWhy

@stressedout Did your answer explain the second line of the proof? Don't badger me further. You wanted an answer; I've given you three.

stressed out

My answer didn't have to explain the second line of the proof, it was supposed to give another proof that the OP can understand.

And I posed even a more general situation. Let's say I have a proof for theorem A and I fully understand it but I don't like it. Does it mean that I can't ask for another proof on MSE?

amWhy

@stressedout I can link you to some relaxation tapes. Right now you're too stressed out to have a conversation with.

stressed out

@amWhy And I can link you to some good tutorials for developing a sense of humor that is not boring and offensive.

@amWhy It's funny that even when I'm stressed out, I can still talk about an issue more rationally than you.

amWhy

19:25

@stressedout I don't think so. In any case, I choose to wait to engage with you on this again. a time out is good.

user64742

CLOSE AS UNCLEAR: math.stackexchange.com/questions/279463/…

Xander Henderson

19:58

@user64742 Please don't shout.

@user64742 I'm not sure that I see what is "unclear" about that question. It is lacking in context and could definitely use some additional details (where does the problem come from? what results can be assumed? etc). It is, essentially, a PSQ. Also, it is a duplicate. Unclear, however?

1 hour later…

user64742

21:32

@XanderHenderson not a shout. Just how I write close/delete suggests. It’s just my style. But of course it’s unclear. They never once state an actual question, just a list of theorems.

I’m not even sure if PSQ applies because it is not clear what is the question and what is just thoughts/context.

Xander Henderson

21:51

@user64742 Are we reading the same problem? I'm looking at this question, the final sentence of which reads "Please help me find prove or reference." Despite the poor English (which I corrected with an edit), this question seems perfectly clear---they want a proof of the single theorem which they gave in their question.

Also, please note: they want a proof of the single theorem in their question. The enumerated list is a description of they hypotheses of that theorem, not a list of theorems.

Xander Henderson

22:14

cv-pls linear-algebra I've voted to close this question for lacking clarity or detail, but really I think that it is just too narrow. Trying to find the name of a mathematics theorem‭ - hipsandy‭ 2020-02-07 22:02:38Z

Why don't we have a "Too narrow" close reason?

It seems like we could use that (without having to raise custom "Off-Topic" flags).

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