On 11 Dec 2013, at 22:18, LizR wrote:

ISTM that "Yes Doctor" sums up comp. If a digital brain made below my substitution level can substitute for my organic one, then I literally have a 50% chance of waking up as the digital version.

However if the Subst Level is quantum, no cloning stops it being actually possible.

OK. But that does not prevent the UD to "prepare" infinitely often your unknown quantum states, and the reversal consequence will still apply. We still got step 7, and the six first steps can still be done, although they cill lost the pedagogical easiness.



Although in this case the universe itself is happy to do it all the time, "forking" everything continually; maybe one could use the MWI to design a suitable - if slightly less elegant - thought experiment (e.g. Helsinki man goes into a sealed room where hs is rendered unconscious, then according to a quantum result, he is taken to either Moscow or Washington...)

But then when we derive the QM from arithmetic, people will claims that we have used the quantum at the start. you are logically correct, but using the quantum might confuse the people in the conclusions. I think. It is simpler to reason in the simple classical case, and to correct the conclusions with respect of the depth of the level after. IMO.

Bruno





On 12 December 2013 09:35, John Mikes <jami...@gmail.com> wrote:
Yes - to the doctor? I was always kept aback from agreeing, because I still believe to have included M O R E in my mind (brainfunctions, as you say) then whatever that good doctor and his device may supply. So I consider a mechanical substitution to the 'living' (what is it?) capabilities a reduction in qualia and quanta. Unless "the doctor" is an infinite universal machine... (still to have to meet one...)

JM


On Wed, Dec 11, 2013 at 3:10 PM, meekerdb <meeke...@verizon.net> wrote:
On 12/11/2013 12:55 AM, Bruno Marchal wrote:

On 10 Dec 2013, at 20:20, George wrote:

Hi List

I haven't contributed to this list for a while but I thought you might be interested in this article from the Science Daily on line magazine

Neural Prosthesis Restores Behavior After Brain Injury


Yes, things progress. Nice to hear of you George, best,
Of course, we cannot test the first person experience of the rat. Even if the rat can talk, that would prove almost nothing, but the human will say "yes" to the doctor anyway, and without thinking to much on the theoretical consequences of the possible survival.

But this brings up a difficulty I see in "comp". We know that if the level of substitution is quantal, then we can't clone the state of the part being replaced (and in the UD model this corresponds to not knowing all the threads of computation through the state). This wouldn't deter people from saying "yes" to the doctor. But it implies that there will the a qualitative difference in consciousness, a "jump", perhaps like a memory gap and temporary disorientation due to concussion or drugs. But then why doesn't some improbable quantum fluctuation prevent the part replacement and provide a more continuous path of consciousness, in analogy to quantum immortality?

Brent


To stop comp to be *applied*, we should have made glasses illegal long ago ... Then we can argue that molecular biology confirms the use of comp by biological system all the time.


Bruno




George Levy


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