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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15
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7answers
1k views

The duplicate thread

This thread is intended to help with closure of duplicates. The main use case are situations where a first attempt at duplicate closure was not successful.1 The creation of this thread was decided ...
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1answer
226 views

What's going on with my flag?

While waiting for Alex Gruber to recharge his batteries, the moderation is working slowly. For instance, on September 3 I've voted to close this question as a duplicate. I was certain from the very ...
15
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1answer
259 views

What's the difference between duplicate flag and close duplicate flag?

What's the difference between duplicate flag and close duplicate flag? When I want to flag something as duplicated there are two ways: Flagging as a duplicate: Flagging as should be closed → ...
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0answers
60 views

how to close a duplicate of a stackoverflow question? [duplicate]

The question Finding third side of a minimal triangle appears to be essentially a duplicate of https://stackoverflow.com/questions/22441855/triangle-circle-enclosing-a-set-of-points . The ...
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0answers
104 views

Are these two questions really duplicates?

First, I'd like to appologize if this similar questions were already made. I've tried to look for something similar and the nearest I found was this. I've even looked the two examples given in the ...
3
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3answers
466 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
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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!}+\...
5
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2answers
332 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 ...
17
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5answers
1k views

How close a match we need to close a recurring question as a duplicate?

An hour ago I closed a question as a duplicate of an, in my opinion appropriate, generic question. Two gold badge holders have since expressed disagreement with my decision, and the question has since ...
16
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2answers
620 views

This question is an exact duplicate of: Page Not Found

I stumbled upon this question which was marked as a duplicate, and rightly so as the OP had realised himself in their comment. Checking out the question that it's an exact duplicate of leads to this. ...
4
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0answers
87 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) ...
2
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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
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3answers
618 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?
1
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0answers
51 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
7
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1answer
147 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
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1answer
171 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
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0answers
118 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, ...
13
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1answer
429 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
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0answers
73 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
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0answers
71 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 ...
27
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1answer
320 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
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1answer
859 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
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1answer
407 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
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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
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1answer
393 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
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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 ...
9
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0answers
107 views

“Math Processing Errors” in the Close as Duplicate Preview

I see plenty of "Math Processing Errors" in the close as duplicate preview:
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1answer
219 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 ...
1
vote
1answer
184 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
155 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
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1answer
93 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
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0answers
126 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
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0answers
118 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 ...
21
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1answer
295 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
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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 ...
15
votes
1answer
414 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
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2answers
200 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
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0answers
85 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
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0answers
52 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
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1answer
344 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
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1answer
331 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
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1answer
262 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
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3answers
984 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
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1answer
44 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
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1answer
240 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
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2answers
508 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
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1answer
164 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
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1answer
164 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
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1answer
141 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
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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 ...