Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [exact-duplicates]

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

5
votes
2answers
328 views

What happens when I flag as duplicate?

What happens when I flag as duplicate? Usually they are closed by others, but sometimes I saw that the flag was helpful but nothing happened to the question. Are duplicate flags shown to some special ...
5
votes
1answer
257 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 ...
5
votes
1answer
112 views

What to do if my question is very similar to another but isn't answered there? [duplicate]

I have a doubt about the following: Suppose I want to ask some question, but Math.SE already has one that is very similar (say 90% similar). The chances that my question will be closed as duplicate ...
5
votes
1answer
427 views

Should we close one of these questions about whether $\frac{1}{\infty}=0$ as a duplicate of the other?

This question and this question are both asking about $\frac{1}{\infty}=0$, though the first one is specifically asking about interpreting it in the context of probability. Should one of these ...
5
votes
1answer
153 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 ...
5
votes
1answer
122 views

On duplicates and linking to the original question

One of the purposes of Stackexchange is to create a sort of library of questions, which is easily searchable. Surely this means that when a question is closed as an exact duplicate a link should be ...
5
votes
1answer
107 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 ...
5
votes
1answer
104 views

Merging a migrated duplicate rejects the migration

Migrated questions get rejected if they are closed on the target website, with the exception of duplications. Earlier today I saw that a question was posted here and on MathOverflow simultaneously (...
5
votes
1answer
215 views

What is this notification doing there?

Why is this huge ugly banner appear in possible duplicates? It looks horrible.
5
votes
1answer
351 views

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 ...
5
votes
1answer
374 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 ...
5
votes
1answer
130 views

Please comment on this possible answer for abstract duplicate of “integration by partial fractions”

I've expanded an old answer to include a general discussion of how to solve integrals by partial fractions. Before I add it to the list of abstract duplicates, I'd appreciate corrections and ...
5
votes
1answer
97 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....
4
votes
1answer
135 views

Duplicate of unanswered question

I have read very similar questions, but not exactly this: a new question is a duplicate of an older question. However, when I try to flag, I get the message This question does not have an upvoted or ...
4
votes
1answer
96 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 ...
4
votes
1answer
198 views

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 ...
4
votes
0answers
55 views

Redundant overlapping expressions in review queues when closing as duplicates

Since this is already more than six months this has been reported inside the Mathematics new site theme is live topic, and yet still not fixed, I've decided to put this one separately. If you go to ...
4
votes
0answers
77 views

How to find duplicates?

I am facing a basic problem: I do not know whether I am being silly or not, but often when I look at some questions, I feel that I have seen that before (if they have special structures like this one) ...
4
votes
0answers
92 views

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 ...
4
votes
0answers
229 views

Why these questions are not duplicates?

There are these two questions: (Theoretical) Multivariable Calculus Textbooks References for the multivariable calculus I was wondering why no one has marked them as duplicate of each other. Or 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 ...
3
votes
1answer
111 views

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 ...
3
votes
3answers
245 views

Thread - Request Mergers of Very Similar Questions

Would something perennial like Requests for Reopen & Undeletion Votes, etc. (volume 10/2012 - 12/2014) help? Example: ♦ $\sqrt{x}$$\sqrt{x}$ = $x$ but $\sqrt{x^2}$ = $|x|$. Why?, ♦ What's ...
3
votes
1answer
212 views

How can a proof-verification question be closed as a duplicate? [duplicate]

Consider a question of this type: “My task is to prove […]. Here's my attempt: […] Is my approach correct?” I've seen several questions like this being closed as duplicates. ...
3
votes
1answer
88 views

How to deal with duplicate bounty questions?

This question is a duplicate of a previous one (although the motivations are apparently different). At the time of writing, the answers in the newer thread are, in my humble opinion, much nicer than ...
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 ...
3
votes
1answer
106 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?.
3
votes
1answer
91 views

Question not visible from certain computers

This sounds strange: when I go to the webpage The units of $\mathbb Z[\sqrt{2}]$, in the right pane, under "Linked", there is a link to the webpage Determine all units of the domain $\mathbb{Z}[\sqrt{...
3
votes
1answer
121 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-...
3
votes
1answer
95 views

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 ...
3
votes
1answer
104 views

How should we handle cross-site duplicates?

There are some questions which are answered quite well by a nearly-identical question on another site (say, computer science's stack exchange, or math overflow). Should those questions get answers ...
3
votes
3answers
465 views

What to do in case of unsuccessful duplicate close vote (or flag)?

Consider a situation when a user votes to close a question as duplicate (or flags it as a duplicate if they do not have sufficient rep to cast close votes), and then the post is not closed. If the ...
3
votes
1answer
156 views

Why my duplicate flag is declined?

Aren't these questions similar? Factorial Proof by Induction Question: $ \frac1{2!} + \frac2{3!} + \dots+ \frac{n}{(n+1)!} = 1 - \frac1{(n+1)!} $? Prove if $n \in \mathbb N$, then $\frac{1}{2!}+\...
3
votes
1answer
131 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 ...
3
votes
0answers
94 views

What Counts as a duplicate Question?

Imagine somebody who is studying differential equations. He comes to the section on first order linear differential equations. He attempts to do the first problem in the section, but he comes up with ...
3
votes
0answers
176 views

A few high quality duplicates

Suppose we have a small number of very close duplicates on some particular question. Suppose also that the questions are high quality and have high quality answers - at least, as measured by the ...
2
votes
2answers
726 views

What is the definition of duplicate question?

Sometimes it happens that the answer to a question is contained in the answer to a different question. Should the former question be closed as a duplicate? Here's an example, (read the comments). I'...
2
votes
1answer
62 views

Should I flag a duplicate in addition to a vote to close?

Recently I came across a question from a user that was a clear abstract duplicate of a previous question they'd asked (the two were related by trivial algebraic manipulations). I voted to close the ...
2
votes
1answer
126 views

How to ask the question which aren't ask before

Many times when I ask a question I found that it blocked as it is duplicate. But I don't know which question is ask before. So how can I understand that the question is duplicate or not?? Please help ...
2
votes
1answer
72 views

Near-duplicate questions, but both questions are effectively blind to each other.

On the question here, it was eventually discovered that this question was a duplicate; however, if we go through the same process that the OP has done and craft a question as they have (with the same ...
2
votes
1answer
73 views

“This question may have an answer here:” banner for the Author

The duplicated question flag has been correctly raised for my question. There is a banner on my page asking for some action on my part. How do I respond? The banner offers me two inappropriate ...
2
votes
1answer
66 views

Should I delete my question if I find out that it's a duplicate or near duplicate?

Should I find out (perhaps through the help of some other user) that my question or something very similar has already been asked, what should I do? Should I delete it? Should I post a pointer to its "...
2
votes
1answer
177 views

Topics declared as duplicates in which order? [duplicate]

I'm asking this because I think an older question with a full answer shouldn't be declared a duplicate to a newer one. What the moderators think about this?
2
votes
1answer
141 views

Triplicated question:

These questions are duplicate of each other: 940069 926118 913917 What should be done?
2
votes
1answer
169 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 ...
2
votes
1answer
52 views

Could I flag a possible duplicate to a question asking for a proof when I had already asked about the correctness of mine?

That is, I asked before to check the correctness of my proof of that statement, and the correctness has been confirmed. Could I now flag a question asking for the proof of it as "possible duplicate" ...
2
votes
1answer
147 views

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 ...
2
votes
1answer
86 views

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 $\mathbb{C}$. ...