3. Tuesday, January 25, 2011

3. Tuesday, January 25, 2011 - Case One: - Browns brain...

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Case One: - Brown’s brain removes, put inside purples body, and the resulting person has Brown’s character and apparent memories of his life - Where is Brown? He is intuitively there, in purples body Case Two - Half of brain destroyed, and the resulting person has Brown’s character and apparent memories of life - Where is Brown? He is intuitively there, in his own body and he survived this Case Three - take out both Brown and Purples brain, destroy half of Brown’s brain, and put it in purple, the resulting person has Brown’s character and apparent memories of life - Where is Brown? He is intuitively there, after all, he survived transplant in Case One, and half-brain- destruction in Case Two Case Four - Removed Brown’s brain, destroy Brown, cut the brain in half, each half is housed in a new body - Both resulting people have Brown’s character and apparent memories of his life - Where is Brown? Suppose you have a debt to collect, from who will you collect it from? - Only three possibilities: (1) Nowhere (Brown doesn’t survive - Thomson) (2) Green or Purple, but not both (he survives only as one of the two people) (3) Brown survives as Green and Purple, he survives as both Which one is it? (1) We agree in Case One that he could survive if his brain were successfully ransplanted. We also agree in Case Two that he could survive, as people do, with half of his brain destroyed. It seems to follow that he could survive if half his brain were successfully transplanted and the other half were destroyed in case three. But then, how could he not. ...................... LOOK UP (2) But “each half of Brown’s brain is exactly similar and so, to start with is each resulting person”. But neither one of them has better claim to being Brown. So how can Brown survive as one of the two people? What can make one of them Brown rather than the other? There is no way that you can choose between them (3) He thinks this is the right one, but we have reasons to reject this and we eventually see that identity isn’t
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3. Tuesday, January 25, 2011 - Case One: - Browns brain...

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