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that there's no way a merely physical object
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could ever play a game of chess
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because-- and that such a capacity
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is beyond the capacity of the physical world
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and hence you have to apply--
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you have to extend the explanation to an immaterial soul
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but now we know--
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we have what scientists call an existence proof.
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We know physical objects
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can do complicated and interesting things.
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We know, for instance, machines can play chess.
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We know machines can manipulate symbols.