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that the person could be constantly changing in this way,
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without having any way at all to tell.
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And if we're not willing to accept that implication,
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it seems as though we need to reject
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The soul theory of personal identity.
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Now, I use this cumbersome phrase because, of course,
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I'm not here talking about rejecting the existence of souls.
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What I'm considering right now is the question
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whether sameness of soul
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is the key to being the same person.
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And this is a--
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There's a logical distinction here that's worth drawing.