# 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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### 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 ...
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 ...
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 ...
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 ...
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 ...
103 views

### 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 ...
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 ...
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 ...
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, ...
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 ...
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 ...
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/...