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In principle, MO posts can be cited in papers; on the other hand, MO posts get deleted sometimes. There is a risk, then, of referring a MO post which no longer exists. Is deleting posts a good practice, then?

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  • $\begingroup$ From the initial version of your post, I deduce that you are not an experienced English speaker. I therefore took the liberty to reformulate your question, in an attempt to make what you meant to ask clearer. $\endgroup$
    – Alex M.
    Aug 18, 2023 at 6:53
  • $\begingroup$ As mentioned in some previous discussions, one can use Wayback Machine to make sure that some version remains available regardless of existence of a specific post or the MathOverflow site as a whole. For example: Stable url for linking or Citing a mathoverflow comment. $\endgroup$ Aug 18, 2023 at 7:04
  • $\begingroup$ If you're asking mainly in connection with citing MO posts, perhaps the tag (citations) could be suitable here. $\endgroup$ Aug 18, 2023 at 7:06
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    $\begingroup$ Sensible posts that are substantial enough to warrant a citation have a negligible risk of getting deleted. If one cites a post that’s so terrible that it risks deletion, they should suffer the consequences. $\endgroup$ Aug 19, 2023 at 7:37
  • $\begingroup$ The initial version of the question reads as follows Title: Is it good to delete questions? Body: While internet can be reffered in papers and its a math site; why do they delete some questions? Maybe someone has come by an idea in the question and its necessary for readers to refer to. $\endgroup$
    – YCor
    Aug 20, 2023 at 18:33
  • $\begingroup$ @EmilJeřábek I dont agree with you. Maybe Galois works had no point for lots of mathematicians in his era; But then... Everyone knows what happend. $\endgroup$ Aug 21, 2023 at 8:22
  • $\begingroup$ @Martin Sleziak So good $\endgroup$ Aug 21, 2023 at 8:52

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