Questions tagged [exact-duplicates]

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

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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 ...
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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 ...
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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),\...
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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.
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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 ...
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1answer
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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 ...
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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.
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1answer
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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 ...
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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, ...
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1answer
183 views

Almost-duplicates of closed PSQs

In this (now deleted) question a user asked about a homework problem (I assume), asking whether a particular approach to it would be valid. Almost immediately, someone voted to close as a duplicate ...
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1answer
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Closing question as duplicate of another question that has been put on hold

I think this has already been discussed somewhere, but I can't find where. As an example, this question was closed as a duplicate of this question. But the duplicate question was already been put on ...
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How to close a question as “This question already has an answer here”?

A question like this is completely solved in an answer to another question, but the questions themselves are not duplicates one to another. I've seen recently that some questions were closed but not ...
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1answer
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Of which question is this question duplicate?

This question "Direct proof that $\sqrt{2}$ is irrational?" is marked as duplicate. In other duplicate questions, there is a link to the original question but not in this question. So where is ...
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1answer
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Should I delete the question that is similar to the others asked before?

For example, I asked this Is $\{(x,y)|y=\sin(\frac{1}{x})\}\cup(0,1)$ connected on $R^2$?, in the answer someone points out that a similar question was asked and discussed before. The title looks ...
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Same person has asked the same question 6 (!) times - what can be done?

I have flagged 4 exact duplicates yesterday https://math.stackexchange.com/users/flag-summary/86800 leaving only one version Integers and integer functions And today a yet another exact duplicate ...
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Escape brackets in titles of questions when voting to close as a duplicate [duplicate]

When you vote to close a question as a duplicate, the software automatically puts a comment looking like Possible duplicate of [Duplicate title](Duplicate link).. ...
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1answer
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How can this question be improved?

I would like to know how this question can be improved so that it can be reopened and receive further answers: https://math.stackexchange.com/questions/950520/math-problem-is-xyz-is-divisibleby-xyz I ...
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1answer
142 views

Triplicated question:

These questions are duplicate of each other: 940069 926118 913917 What should be done?
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I think I made a bit of a mess, how to solve it

In a short time I asked three questions about more or less about the same subject: which surfaces have (for a large area) a constant negative curvature? "Hyperboloid like surface" as ...
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1answer
170 views

A strange event about duplicate questions

Recently, a question was asking to prove two things, say theorem A and theorem B. Someone proposed to close the question, since there there were another question asking to prove theorem A with an ...
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1answer
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If the selected answer is a hint, should the person asking edit the OP with the full answer?

Sometimes, a hint is all it takes to answer a question. So if the person asking selects that question and no full answer was provided, should the "asker" edit the original post with a full solution? ...
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1answer
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Is it reasonable to mark a question about the validity of a certain approach as a duplicate of a question that does not use that approach?

I have marked the following as being a duplicate: Is the $ L^1$ norm continuous in the following sense?. However, the OP asked about their approach, and seemed to be aware of the standard approach to ...
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1answer
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Original post marked as duplicate

I was just asked to review a question that was posted in 2010, and that has now been closed as a duplicate of a more recent post (this was closed in favour of this). Is it normal and/or accepted for ...
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Canonical answer for “x/0”?

Does a canonical answer exist for the question of $\frac{x}{0}$ that covers all the popular misunderstandings and problems? Can this question be considered the canonical reference?
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1answer
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You want me to put the hammer down?

I have a small request to make about gold badge hammers for duplicates: If a question is migrated from another site, allow the first retag to be included in the tags whose gold members are eligible ...
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1answer
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If those answers do not fully address your question, please ask a new question.

The questions marked as duplicate show the following comment: "This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new ...
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Duplicate of a deleted question

I just came across this question, and it made me wonder what the policy is for deleting questions which have duplicates pointing to them. I don't have any particular stake in this specific question, ...
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Disputing Duplicate Tag

I am terribly disappointed that my question here has been marked as a duplicate. Someone asked for a solution for a popular question that did not use complex arithmetics. Only one solution came ...
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1answer
114 views

Are duplicates to be put on hold, or deleted?

I was thinking about a simple-looking but (I think) tricky calculus/analysis question. When coming back to it, someone had pointed out that the question had a duplicate (with bounty), which I ...
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1answer
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Closing as duplicate without up voted answer

This question was closed as a duplicate of this one and the latter doesn't have any up voted answers. When I try to close a question as a duplicate of a question which doesn't have up voted answers, ...
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1answer
107 views

Can we cancel flags?

Is it possible to cancel a flag. In case it isn't possible, is it possible to change the link to the original post for the duplicate flag?.
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1answer
484 views

What should I do when I find circularity among duplicates?

Occasionally, when trying to vote to close some question, you get the error message: ...
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2answers
433 views

Duplicate question that deserves an answer anyway

I recently voted to close a question about the limit of $\sin x/x$ because it's a duplicate of a very popular question. However, user Hayden told me in a comment that "I think the main issue here is ...
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Moderators: please straighten out loop in “duplicate of” graph

Recently a user asked Is "applying similar operations from left to right" a convention or a rule that forces us to mark one answer wrong? , which is a duplicate of 6/2*(1+2) is 1 or 9?; they ...
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Closing duplicate questions

Recently, I posted a question (this one) and received some helpful answers. However, the answers did not help me solve my issue. So, I posted another question (this one) explaining my thinking and ...
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Closing as a duplicate if the post contains OP's own proof/solution

It is generally agreed that good question should also indicate what the OP have tried. Many people do this and we receive many questions also contain the OP's attempted proof/solution for the question ...
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1answer
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Duplicates with no answers

I was trying to flag this question as a duplicate of this question, (same question, same asker). But the system would not take the original question because it says it has no upvoted answer. What is ...
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1answer
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User thinks their question was closed when it wasn't

At A subset of $\Bbb R^p$ is open iff it is the union of a countable collection of open balls the OP complained: Well lemme just say that marking this as a duplicate is a little unfair.. But the ...
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1answer
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Are these questions duplicates?

Apologies if this is a meta-duplicate (I did a search but couldn't find a similar situation). I answered this question yesterday. Today the OP posted my answer (without crediting me, though I'm not ...
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1answer
375 views

Why is this a duplicate?

A question I asked: A problem with 26 distinct positive integers was characterised as a duplicate of: Creating a sequence that does not have an increasing or a decreasing sequence of length 3 from ...
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1answer
133 views

Unfair duplicate label [duplicate]

With regard to this question which was labeled a duplicate, I wish to understand how to best register my disagreement with that labeling. The alleged original question asks for a short proof of the ...
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1answer
123 views

Titles quoted in “possible duplicate of” comments are improperly escaped [duplicate]

To demonstrate the problem, I voted to close this question as a duplicate of https://math.meta.stackexchange.com/questions/12237/show-that-an-element-has-order-p-in-s-n-iff-its-cycle-decomposition-is-...
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2answers
172 views

Question marked as duplicate, but I think I'm asking a different question

I recently asked this question about building an intuition for summations of divergent series. The question was based on the fact I had recently learned that $1 + 2 + 3 + ... = \frac{-1}{12}$. My ...
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1answer
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If the answer to question B answers question A, should question A be considered a duplicate?

The question Fields and proper subfields., which asks if a field can be isomorphic to a proper subfield was closed as a duplicate of Algebraic closure of $\mathbb{C}(x)$ is isomorphic to $\mathbb{C}$. ...
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questions asked over 100 times

I just saw another question with the limit of $(1 + 1/n)^n.$ A few months ago, somebody asked some other multiple repeat question, I wrote to check any of the last 137 times it had been asked. he ...