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Q: What tags to use for these two classes of questions? More generally, should we have tags for the negations of very important mathematical concepts?

Ante P.I am often interested in bijections, defined over $\mathbb R^n$, and in discontinuous functions, also defined over $\mathbb R^n$. But, I did not find a tag "discontinuous functions" or a tag "bijections". I think that there is a tag "bijective combinatorics" but, if some of questions that I wan...

 

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