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I wonder why Travelling Salesman Problem is included but not other NP-hard problems.

https://wikenigma.org.uk/content/computer_science/the_ravell...

(The URL really says "ravelling" and not "travelling". Maybe this article was hastily added)

other np-hard problems are not included because you haven't added them to the wiki

To add them to the "wiki", you'd have to be able to edit the wiki. You cannot. I rather wanted to edit the "Liar Paradox" (sic) page, but there doesn't seem to be any way to do so.

rtfm O:-) https://wikenigma.org.uk/info:notes_for_contributors:registr...

Maybe they meant to add the np-complete version, in which case, do you really need more than one?

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