On 14 Apr 2015, at 03:26, Bruce Kellett wrote:

Stathis Papaioannou wrote:
On 14 April 2015 at 09:52, Bruce Kellett <bhkell...@optusnet.com.au> wrote:
Stathis Papaioannou wrote:

My body disintegrates yet I feel that I persist. I say this means personal identity is an illusion; you can disagree about use of the word "illusion"
but the underlying fact is unchanged.

I think all you are saying is that you don't believe in Cartesian duality -- there is no separate 'soul' that survives bodily changes and provides the 'true' personal identity. I don't think the Cartesian model is necessary for one to be able to say that personal identity is not just an illusion.
It's an illusion even in a dualist model, because dualism does not
logically rule out copying. The illusion, to spell it out further, is
that I am a unique entity persisting through time. That is what I feel
to be "personal identity" at the visceral level, and even though
intellectually I know better, I can't shake the feeling.

It's stubborn, even if an illusion, eh? If you were duplicated, would you be prepared to kill your duplicate? Who would you kill?

It can be shown that, indeed, "killing" someone with comp is equivalent with an amnesia. Dying is forgetting or refreshing memories.

If you decide to kill a copy, you have to cautiously agree (with yourself) on the procedure (and who will be killed) before the duplication. After the duplication, it is preferable to treat the copy as a new person, for all practical and ethical purposes.

Bruno




Bruce

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