Bruno Marchal writes:
> Hi Stathis, Hi Quentin, Hi All,
> Le 14-juil.-06, à 01:48, Stathis Papaioannou a écrit :
> > Quentin,
> >   
> >  I think I can follow Bruno's UDA up to the point of the point where 
> > he shows that comp => no material world exists. You seem to understand 
> > it and you aren't Bruno (at least, I assume you're not Bruno: none of 
> > us on this list can really be sure of these things, can we? ;). Would 
> > you be kind enough to explain it to me?
> >   
> >  Stathis

> Stathis,
> In what sense is this message an offlist post? Is it just an "oops" 
> phenomenon?
Yes, a mistake, I'm getting used to the new Windows webmail beta, which so far presents a different interface every time I use it... but never mind, since you're still patient with me, I've deleted the "offlist" from the subject line.

> Now I am curious: you say you understand UDA up to "comp => no material 
> world exists". Well that's a reasonable part of it. Does it means that 
> you don't see the last thing, i.e. that physics should emerge from some 
> 1-measure on the computational histories?
I understand up to the point in step 7 where you explain the workings of the UD. You've tried explaining it again a couple of weeks ago, and I think it is clearer every time I look at it, but I still have some difficulties. I will reply to Quentin's post (which is admirably concise) later. I think I have more basic difficulties also, like the Maudlin argument re the handling of counterfactuals for consciousness to occur: is this requirement just to avoid saying that everything implements every computation?
Stathis Papaioannou

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