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fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 20 days ago

Equinunerous Sets

mander.xyz

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Equinunerous Sets

mander.xyz

fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 20 days ago
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  • yesman@lemmy.world
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    20 days ago

    Sure, but does the set of all sets that don’t include themselves include itself?

    • yetAnotherUser@discuss.tchncs.de
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      20 days ago

      Easy. If and only if the integer sequence A053169 contains the number 53169

    • enkers@sh.itjust.works
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      20 days ago

      Yesn’t.

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