Stathis Papaioannou wrote:
> It seems to me that there are two main sticking points in the discussions on 
> several list threads in recent weeks. One is computationalism: is it right or 
> wrong? 
> This at least is straightforward in that it comes down to a question of 
> faith, in the 
> final analysis, as to whether you would accept a digital replacement brain or 
> not 
> (Bruno's "yes doctor" choice). The other sticking point is, given 
> computationalism 
> is right, what does it take to implement a computation? There have been 
> arguments 
> that a computation is implemented by any physical system (Putnam, Searle, 
> Moravec) 
> and by no physical system (Maudlin, Bruno Marchal). The discussion about 
> Platonism 
> and the ontological status of mathematical structures, in particular, relates 
> to this 
> second issue. Bruno alludes to it in several papers and posts, and also 
> alludes to his 
> "movie graph argument", but as far as I can tell that argument in its 
> entirety is only 
> available in French. Comments and elaboration would be welcome.
> Stathis Papaioannou

If it's a question *only* of faith, it's probably a non-question.  I can think 
of a 
lot of evidence that might sway my answer to the doctor.

But leaving that aside, I think there is another question in play: What kind of 
computation implements intelligence?  ...consciousness?  Is it every 
with differences only of degree?  Or are there distinct requirements?

Brent Meeker

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