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Questions tagged [exact-duplicates]

This tag is referring to the process of identifying and closing questions that are exact duplicates of another question.

2
votes
0answers
85 views

Metrics for questions

Lately I had a case that one of my questions was marked "as an exact duplicate". Projection, rotation and skew-symetry in N-dimensional space Commutativity of projection and rotation But what the ...
6
votes
2answers
479 views

What should I do when my question is marked duplicate?

Is it advised to delete the question? Or should I just leave it alone?
2
votes
0answers
50 views

Should questions be marked as “duplicate” if answered before, but a possibly better/simpler approach now used?

How to prevent possibly better/simpler approaches to a previously answered question from getting buried as a duplicate question ? Number of ways to arrange identical coins in a ring
8
votes
1answer
137 views

Exact duplicate doesn't require answer but claims one exists

This question was (rightly) closed as an exact duplicate: https://math.stackexchange.com/questions/1717381. (If I'm not mistaken, only moderators can do that.) The message at the top differs from the ...
6
votes
1answer
96 views

Closing a poor question as off-topic or as a duplicate?

Few times I've faced the following dilemma: To vote for closing a poor question as off-topic or as a duplicate of another one (sometimes equally poor)? The last example is this: https://math....
2
votes
0answers
116 views

Several questions, same problem, same user

I have searched Meta for several questions same problem same user. There were (1) quite (2) a few (3) related (4) titles, but these cover slightly different scenarios and do not seem to help here, ...
14
votes
1answer
428 views

Answering my own new and more detailed question rather than an existing one

Recently I have posted this question: Functions that preserve asymptotic equivalence. I searched MSE and MO sites for related questions before asking, but didn't succeed, my bad. After few days, I ...
1
vote
0answers
71 views

Closure as duplicate navigating in a circle

I was reviewing the close votes today when I came across this question , for identification purpose, lets call this $\mathbf{A}$. Someone had given it a close vote, marking it a duplicate of this ...
2
votes
0answers
69 views

Reopen-reclose request

Long ago, I asked this question. It was never a duplicate of this one, since the question was pretty different, and when the question changed it still had a different viewpoint, yet it was closed as ...
26
votes
1answer
313 views

Is it ok to edit questions that are closed as duplicates?

I think that duplicates can be useful for various reasons. In particular, they might help to find a question if a user searches for different keywords. Similarly, they might appear in autogenerated ...
21
votes
1answer
851 views

Question having excellent answer marked as dupe of a newer question

A high rep user who posted an answer to this question asked in 2014 marked my question asked in 2012 as duplicate. As such there is nothing wrong with flagging older questions as dupes of newer ones ...
5
votes
1answer
404 views

Totally similar questions are not closed for years

Today, recently viewed this post on combinatorics asking to prove the famous result "If $p$ is a prime, then $p|{p\choose k}, k\in \{1,2,\dots,p-1\}$". I was fairly sure that, It should have been ...
1
vote
0answers
58 views

Would like to dispute Duplicate Label-Chain Rule of Limits [duplicate]

I asked a question looking for a epsilon-delta proof for the Chain Rule of Limits, however the question was marked as a duplicate for a similar question but it does not provide the proof I was looking ...
12
votes
1answer
381 views

Is it okay to delete unanswered, marked as duplicates questions?

Just what the title says: I've had many questions marked as duplicates when I first started using this site, and I was wondering if it's okay for me to delete them.
5
votes
1answer
104 views

Which in case of duplicate questions should prevail? [duplicate]

Is there any routine to decide which one of the duplicate questions should prevail? The one which has been in existence the longest? It would probably not be good if both were accidentally shut down ...
8
votes
0answers
97 views

“Math Processing Errors” in the Close as Duplicate Preview

I see plenty of "Math Processing Errors" in the close as duplicate preview:
-12
votes
1answer
217 views

Is it against the rules to ask about a different proof for a proposition which has already been asked?

My question was marked as a duplicate by Did. I was trying to use a different proof involving continuity of measure and monotone convergence theorem for a question I asked before. I specified in the ...
0
votes
1answer
177 views

An older question was closed as a duplicate of a newer one

I have asked Extremals of functional $J = \int_{a}^{b} F(x, y, y^{'})$ question on December 21st 2013.. Now comes another question An MCQ for finding the extremal of the functional $J = \int_{a}^{...
5
votes
1answer
151 views

What is the difference between voting to close as a duplicate and flagging as a duplicate?

I am aware that to flag you only need 15 reputation points. Only users with 3k+ reputation can cast votes. If a post is flagged as duplicate, what happens then? In particular, what is different from ...
0
votes
1answer
91 views

Why were these questions closed as duplicates?

The question Need Examples to Understand Choice Function and Choice Structure is in no way a duplicate for the following question: (P(X),CR) may be a choice structure even if R is not a rational ...
8
votes
0answers
124 views

Clarification of what should be closed as a duplicate [duplicate]

Until today the word "duplicate" was clear to me, or so I thought, but I have just been confronted with the following situation: there is a question A from 2011 (with an accepted answer) and one other,...
7
votes
0answers
116 views

Appropriate way to place sound arguments when reopening a duplicate marked question

The possibility to reopen a duplicate marked question is a nice feature. This action is usually based (at least I do hope so) upon sound arguments. Is there a way to attach or combine these ...
0
votes
0answers
122 views

Please could someone explain to me why my question is a duplicate?

Please could someone explain to me why my question is a duplicate? Thank you in advance for your help.
20
votes
1answer
280 views

“marked as duplicate” by community?

A few minutes ago I flagged this question as a duplicate of an earlier one; when I came back to it, it showed as having been "marked as duplicate by Steven Stadnicki, Community". I've never seen the ...
4
votes
1answer
94 views

spurious interaction between close votes for different reasons

This question had two close votes with reason "off-topic because ... missing details". I mistook it for a duplicate (of this question) and voted to close it for that reason, unaware that I'm now able ...
15
votes
1answer
407 views

What happens to otherwise good answers when their question is closed?

I answered this question the other day. It was one of those cases when I just happened to see it right as it was posted and it was a fun question that I knew something about. So I gave an answer (...
9
votes
2answers
198 views

Can one avoid gold badge superpowers by temporarily removing tags?

As described here, earning a gold tag badge has the side effect that one's votes to close questions in the tag as duplicates become immediately binding instead of going through the usual voting ...
2
votes
0answers
81 views

Are question pairs of this type duplicates?

I have seen several people do this, and I've always felt awkward about it, but most recently the issue came up with this pair of questions. More generally, suppose we have two questions which are ...
0
votes
0answers
51 views

Drawing attention to a question in another StackExchange site

I asked a question in CrossValidated Stack Exchange site because it deals with probability distributions. But it is a theoretical question (although I think it does not involve high-level maths). I am ...
22
votes
1answer
338 views

How to avoid duplications?

During the last two and a half years since I became a member of the SE community, it has happened so many times that my questions have been marked as duplicate, especially during the first few months ...
17
votes
1answer
328 views

Meta-Meta question: Duplicate for previous question without actual real answer

So I was perusing the meta site, and I came across this closed link: https://math.meta.stackexchange.com/questions/20285/why-do-we-have-a-tag-called-stochastic-analysis The reason it was closed was ...
5
votes
1answer
255 views

Automatically redirecting to the duplicate question

From the main meta site, I clicked on the question "How to export my favorite questions on stack-exchange as pdf? [duplicate]" and it immediately opened "Save the answer in PDF?". This is the first ...
38
votes
3answers
968 views

Large number of posts in the spirit of “How do I become good at Mathematics?”

There have been a steady number of questions being asked in the spirit of: Hi, I'm yada yada. Here's a short version of my life story and why I can't math. I currently only understand such and ...
1
vote
1answer
40 views

Migrated question appears same as an newer question; which one is the duplicate?

If point is zero-dimensional, how can it form a finite one dimensional line? (originally posted Dec. 27, 2014) was recently migrated here from physics.SE, although it already had answers. But on March ...
0
votes
1answer
235 views

Not marking question as duplicate?

An example This question was asked earlier today. The accepted answer by the user "mathlove" was posted within minutes of asking. Now consider this question. The user "mathlove" also has a very ...
9
votes
2answers
500 views

“Isn't this set countable” big list, and other abstract duplicate big lists

I'm sick and tired of seeing those almost the same, but usually not quite duplicate questions asking something like How is this set uncountable? We can put it in bijection with the natural numbers ...
6
votes
1answer
163 views

Merged questions prevent deletion

Trying to cast a delete vote on https://math.stackexchange.com/questions/204765/show-the-negative-derivative-of-a-function I receive the message[1] When I view linked questions, I find there is ...
4
votes
1answer
163 views

How should duplicate questions with more information be handled?

Suppose there is a question: How do you prove invariance of domain? which is answered in a complete, elementary manner. Now, suppose another question comes along ...
1
vote
1answer
140 views

What if we have duplicates “outside MSE”?

What should we do if we have duplicate question on another site answered by those people and someone another asks it here(Suppose no one here has got any answer). Should I post the same answer giving ...
1
vote
0answers
93 views

How is a better comparison series is a duplicate of the question asking for the value of series?

Looking for a better comparison series for reciprocal of Fibonacci numbers is marked as duplicate of the question for the value of Fibonacci numbers. I don't see how it is a duplicate where it is ...
9
votes
0answers
83 views

Duplicate shows as “on hold” in favourite list

Today, I favourited this question on my phone in order to hunt for a duplicate later. After the question was closed as a duplicate, I saw the following in my favourites list: As you can see, it is ...
32
votes
0answers
338 views

Improving the search system

When recognizing some questions as duplicates, sometimes it is difficult to find the original question one remembers. For instance, I recently saw a question asking to prove that $$\forall x\in(-1,1),\...
20
votes
1answer
302 views

How can I make sure the problem I want to ask has not been presented before?

e.g. I have a question on proving an inequality statement. If I google it Google will not recognize it and if I use Math StackExchange'search engine, it will not respond. Thank you for your help.
6
votes
3answers
295 views

Making duplicates for only hints

Should we close questions asking for hints as duplicates? This above discussion is old, and is what I want to rediscuss in light of my question here: $\Bbb F_p$ where $p$ is an odd prime has exactly ...
27
votes
1answer
471 views

Whither the duplicate?

Ironically, I'll bet this question is a duplicate of other questions regarding duplicates, but I see little harm in sparking some new conversation here, even if we tread over old ground that many ...
6
votes
0answers
115 views

LaTeX a jumbled mess when flagging as a duplicated

Is it normal for the LaTeX to be a jumbled mess when flagging as a duplicate? In case it isn't all systems, I am on a Linux system with Firefox 34.0.
3
votes
1answer
107 views

Why isn't there any path from $A$ to $B$ when question $B$ is closed as a duplicate of question $A$?

Let $A,B$ two questions and suppose $B$ is a duplicate of $A$. Then (usually) $B$ is closed and a link to question $A$ appears in $B$. However, it may happens that $B$ already got a useful answer ...
16
votes
2answers
266 views

Duplicate Question Where Neither have *Complete* Answers

I just voted to close this question as a duplicate of this other one. However, I am unsure if this was exactly the right action to take, given that, though the latter question has an upvoted answer, ...