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• LemmyKnowsBest@lemmy.world ⁨1⁩ ⁨week⁩ ago

  Eugenia Cooney’s stomach, probably.

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• tetris11@feddit.uk ⁨1⁩ ⁨week⁩ ago

  is the set of all empty sets, still a set?

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  • credo@lemmy.world ⁨1⁩ ⁨week⁩ ago

    Does the empty set contain itself?

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    • tetris11@feddit.uk ⁨1⁩ ⁨week⁩ ago

      it is not an element of itself, but is a subset of every other set

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• markz@suppo.fi ⁨1⁩ ⁨week⁩ ago

  The kind that’s accidentally made solid or given too thick walls in cad.

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