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Is it OK to create a tag about exercises from one particular book?

Is it OK to create a tag about exercises from one particular book? The book I have in mind is a book with many hard exercises and unproved theorems in it (the total is about 200 or 300 maybe more), ...
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Tag management 2019 [duplicate]

New year, new tag management thread. Rules of the game are basically the same: Post your suggestion as an answer here if you see A particularly bad tag (a rule of thumb: «if I can't imagine a ...
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894 views

Is the tag [hoffman-kunze] necessary?

The tag hoffman-kunze was recently added to a few questions: Typos in Hoffman and Kunze Why is $\pi_r(L)$ a linear transformation into $\Lambda^r(V)$ Proof of Theorem 7 (Chapter 5) in Hoffman and ...
508 views

Do we really need the (spoj) tag?

On main we have the spoj tag, which after some googling seems to refer to a certain online grading/contest website (I must admit it is not entirely clear what the mission of the website is from a ...
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1k views

The "meta-tags".

What are the tags reference-request, soft-question, big-list for? When are they used? When should they not be used?
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2k views

A list of questions on Boyd & Vandenberghe

Work in progress. To be updated whenever the opportunity arises. I take the liberty of compiling a list of questions on Math SE pertaining to theorems, lemmas, examples and exercises from Boyd & ...
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