<div dir="ltr"><div><div>How about:<br><br></div>A two-year old thinks "Why are there no other children in this nursery with me? I haven't learned object permanence yet, so since I can't see any other children they must not exist. There may or may not be parents or caregivers but I also don't see them right now, so they don't exist either. Why am I all alone in the universe?"<br>
<br></div>For the sake of absurdity, let's also assume this child is a twin who has been raised since birth in an identical room separated by a distance not less than c m/s^2 that continues to travel apart from the other. The identity of indiscernibles suggest that both are asking why each is alone in the universe. By what definition of "alone" and "universe" are they both correct?<br>
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