• porous_grey_matter@lemmy.ml
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    9 小时前

    If the train killed only left handed people, you should still be left with infinite train proof right handed people.

    Well, infinite left-hand-killing-train proof people, we don’t know about other trains.

    • Wakmrow [he/him]@hexbear.net
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      8 小时前

      While true, my point was that this is a thought experiment to show that subtracting infinite countable sets from infinite countable sets does not leave you necessarily with an infinite countable set.