On 3 April 2012 00:31, Stathis Papaioannou <stath...@gmail.com> wrote:

> Dick could have the same doubts about any medical treatment short of
> total brain replacement. Perhaps taking perindopril for hypertension
> turns people into zombies.

The "same" doubts?  Really?

David


> On Mon, Apr 2, 2012 at 2:12 AM, David Nyman <da...@davidnyman.com> wrote:
>> On 1 April 2012 16:48, Bruno Marchal <marc...@ulb.ac.be> wrote:
>>
>>> David, if Dick does not have the impression that Harry has became a sort of
>>> zombie of some kind, for a time, I would suggest he trusts Harry and his
>>> doctor. If he is prepared to bet on comp. Once he bet on comp, the nature of
>>> the ultimate consituants of what do the computation, relatively to its usual
>>> environments, does not matter.
>>
>> Yes, once one has bet on comp, the distinction between "software" and
>> "hardware" is one of relative level rather than fundamental ontology.
>> You appear to confirm my thought that the best evidence that the
>> replacement brain implements the right computation is its behaviour,
>> and hence that of the recipient.  So Dick can only rely on his
>> assessment of Harry's behaviour to give him confidence for his own bet
>> on this particular doctor's expertise.  However, given the potential
>> for getting the substitution level wrong in some way, and the finite
>> nature of any possible test, just how much can Dick trust that his
>> friend hasn't been affected in some hard-to-detect way, despite all
>> his assurances to the contrary?  As you observe, this may well become
>> a pragmatic, as opposed to merely philosophical, issue in the
>> not-too-distant future.  Suffice it to say, I'm unlikely to be an
>> early adopter!
>
> Dick could have the same doubts about any medical treatment short of
> total brain replacement. Perhaps taking perindopril for hypertension
> turns people into zombies.
>
>
> --
> Stathis Papaioannou
>
> --
> You received this message because you are subscribed to the Google Groups 
> "Everything List" group.
> To post to this group, send email to everything-list@googlegroups.com.
> To unsubscribe from this group, send email to 
> everything-list+unsubscr...@googlegroups.com.
> For more options, visit this group at 
> http://groups.google.com/group/everything-list?hl=en.
>

-- 
You received this message because you are subscribed to the Google Groups 
"Everything List" group.
To post to this group, send email to everything-list@googlegroups.com.
To unsubscribe from this group, send email to 
everything-list+unsubscr...@googlegroups.com.
For more options, visit this group at 
http://groups.google.com/group/everything-list?hl=en.

Reply via email to