Brent Meeker writes:
> > I assume that there is some copy of me possible which preserves my
> > 1st person experience. After all, physical copying literally occurs
> > in the course of normal life and I still feel myself to be the same
> > person. But suppose I am offered some artificial means of being
> > copied. The evidence I am presented with is that Fred2 here is a
> > robot who behaves exactly the same as the standard human Fred: has
> > all his memories, a similar personality, similar intellectual
> > abilities, and passes whatever other tests one cares to set him. The
> > question is, how can I be sure that Fred2 really has the same 1st
> > person experiences as Fred? A software engineer might copy a
> > program's "look and feel" without knowing anything about the original
> > program's internal code, his goal being to mimic the external
> > appearance as seen by the end user by whatever means available.
> > Similarly with Fred2, although the hope was to produce a copy with
> > the same 1st person experiences, the only possible research method
> > would have been to produce a copy that mimics Fred's behaviour. If
> > Fred2 has 1st person experiences at all, they may be utterly unlike
> > those of Fred. Fred2 may even be aware that he is different but be
> > extremely good at hiding it, because if he were not he would have
> > been rejected in the testing process.
> > If it could be shown that Fred2 behaves like Fred *and* is
> > structurally similar
> Or *functionally* similar at lower levels, e.g. having long and short-term
> memory, having reflexes, having mostly separate areas for language and vision.
> >to Fred then I would be more confident in
> > accepting copying. If behaviour is similar but the underlying
> > mechanism completely different then I would consider that only by
> > accident could 1st person experience be similar.
> I'd say that would still be the way to bet - just with less confidence.
> Brent Meeker
It's the level of confidence which is the issue. Would it be fair to assume
that a digital and an analogue audio source have the same 1st person experience
(such as it may be) because their output signal is indistinguishable to human
hearing and scientific instruments?
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