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We consider different universes with different properties to our own in mathematics, and indeed in physics, all the time.

• mason55 5y ago
  Oh, I’m not arguing that the thought experiment is wrong. Just extending it in the direction of “reasons this doesn’t work in the real world”
  • morelisp 5y ago
    Where would you even find the fuel for the infinitely-long bus! Mathematicians must be idiots.