> On 13 Aug 2019, at 18:37, Jason Resch <[email protected]> wrote:
> 
> 
> 
> On Tuesday, August 13, 2019, John Clark <[email protected] 
> <mailto:[email protected]>> wrote:
> On Wed, Aug 7, 2019 at 9:40 AM Bruno Marchal <[email protected] 
> <mailto:[email protected]>> wrote:
> 
> On 7 Aug 2019, at 15:08, Bruce Kellett <[email protected] 
> <mailto:[email protected]>> wrote:
>  
> >> What exactly is the difference between something that it is impossible in 
> >> principle to detect and something that does not exist?
>  
> > It is like the difference between the human existence and the human non 
> > existence, for an alien situated in a very far away galaxy. The fact that 
> > this alien cannot detect us does not make the human disappearing. 
> 
> You're dodging the question. We can certainly detect ourselves, and it is not 
> impossible in principle for a alien in a distant galaxy to detect us, and 
> that is very different from your silly phantom computations that pure numbers 
> are suposed to be able to perform. 
> 
> > It is like the other side of the moon before we built rocket. 
> 
> Nobody ever said there was a philosophical problem in observing the far side 
> of the moon, it was always just a matter of engineering, but no amount of 
> engineering can make your ridiculous phantom calculations real. If they 
> existed it would be possible in principle to count the number of angels that 
> were sitting on the head of a pin, but your non-material Turing Machine is 
> hopeless. 
> 
> 
> The conversation was about other branches of the wavefunction.  (Which I 
> think you believe in despite not being able to see, nor them being able to 
> make a CPU useful to you).

Well seen. 

Bruno



> 
> Jason
> 
>  
> John K Clark 
> 
> 
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