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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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 ...
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1answer
756 views

Reopening a 48/2(9+3) question (ambiguous order of operations)?

There was an internet meme started last year about ambiguously written arithmetical expressions leading to arguments for different possible values. Of course this is not a good place to host ...
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515 views

Should this question be closed as duplicate?

Here we have an interesting situation: the question Is an algebraic integer all of whose conjugates have absolute value 1 a root of unity? was asked. While there doesn't seem to be an exact ...
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1answer
553 views

Should identical answers on questions which are abstract duplicates of each other be allowed?

Let's say that a question is posted, asking how to find $$\sum_{k=1}^n2k^2.$$ It is proposed that the question be closed as a duplicate of a much older one, asking how to find $$\sum_{k=1}^nk^2,$$ but ...
5
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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 ...
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0answers
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More duplicates

I'm wondering if anything should be done about the following 3 questions which seem to me like duplicates (like merge them): is there a converse for the following Theorem? Equivalent systems of ...
5
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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 ...
11
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3answers
358 views

Handling users asking lots of similar questions with little work

I realize that one of the major goals of this site is to help others learn and understand mathematics, and in fact it is one of my favorite parts of math.SE. As such, I don't mind a bit when I see a ...
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1answer
273 views

Duplicate Titles needing improvement and/or closed as duplicate

Inspired by a similar question on meta.stackoverflow, I just did this database query on math.se, and found 81 pairs of questions with totally identical title. (Ordered pairs where id1 < id2, ...
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3answers
387 views

Should we merge the questions on “self-studying abstract algebra”?

There are currently (as far as I know) three community wiki questions with largely the same premise: book recommendations for self-studying abstract algebra. They are Good abstract algebra books for ...
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3answers
226 views

When are questions the same?

This is a rather philosophical question, but reflects the fact that essentially the same question can be asked at different levels of mathematical sophistication and with differing motivation. Here ...
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1answer
260 views

Canonical “-1 = 1” answer?

There are quite a few questions which involves "showing" $1=2$ or $0 = 1$ or $-1 = 1$ via incorrect algebraic manipulations of $i = \sqrt{-1}$. Does anyone know if there is a "canonical" question/...
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1answer
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Duplicate “Possible Duplicate” box

Amusingly, the question Is there a subfield F of the complex field with [C:F]=3?, which was closed as a duplicate, has two "Possible Duplicate" boxes, each indicating the same question as the possible ...

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