Do you think, based on a purely physical view, that dead minds can be "reincarnated", so to speak?
That is, if the mind is a pattern
of connected units and their communications, not the matter they are made of nor anything ghostly, then in a universe infinite yet only somewhat homogeneous in space, or infinitely recurring in infinite time, then multiple instances of ourselves should exist and hold the same identity as us, in every sense of the word, or maybe only up to a point, if we consider infinite variations of ourselves to still be ourselves.
That would then include rather odd worlds with our minds "waking up" after an event that killed one instance of us in another world, but did not in that one...or maybe in such an odd world, our remembered history never happened there, but did elsewhere, such that here, we would find ourselves to have been a "fiction" made real. Although, we must then consider worlds where such a leap from one life to another happens to us right now!
But we don't see this happening...maybe because lives that go on 'normally' must be counted along with lives that don't, such that we're reading this thread as usual, while elsewhere some version of us is off in Narnia. But what if "our" world has no version of us past some point? Would we be subjectively forced to find ourselves anywhere else in the multiverse, where an otherwise identical self was able to go on?
Or is this all crap, and our personal experience is only located on this exact Earth, and terminates when we die here?
In which case, are sleep, comas or near-death enough to obliterate us? We seem to stop existing during these events, and our "pattern" is even modified in the interim by natural processes or damage, but we still wake up with a sense of history, so what is up there?
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