> On 7 Jun 2018, at 19:40, John Clark <[email protected]> wrote:
> 
> On Thu, Jun 7, 2018 at 10:23 AM, Bruno Marchal <[email protected] 
> <mailto:[email protected]>> wrote:
> 
> ​> ​I know perfectly well what the personal pronoun “you” will mean, as its 
> meaning will not change.
> 
> Of course it will change. Today "you" means the man who is currently 
> experiencing H, tomorrow "you" means the man who is currently experiencing W 
> and remembers experiencing H yesterday; and tomorrow "you" also means the man 
> who is currently experiencing M and remembers experiencing H yesterday. And 
> please don't rebut with your standard "from the 1p" rubber stamp reply unless 
> it is made clear which "THE 1p" is being referred to.


That is simply not true. The first person “I” means always the H-guy, even when 
his experience differentiates into two histories. Or you cannot say “I will 
survive with an artificial brain”, and computationalism is made senseless.



> 
> ​>> ​so which ONE is Mr. You??
> 
> ​> ​If I could answer that question, there would, of course, no be any first 
> person indeterminacy. 
> 
> ​If Bruno can not answer that question then Bruno has absolutely no business 
> ever using the word "you" in any thought experiment and all the grand 
> sounding term "first person indeterminacy​" means is that gibberish questions 
> have no answers.   ​

No, you are only setting up a trap. If I could answer your question in one 
word, then and only then the first person indeterminacy would be gibberish. 
Well tried!




>> ​>​>>​ One will say “oh, I am the H-guy having survived in W” and he is right
>> 
>> ​>>​​I agree.​​ ​So what is the probability the H-​guy will see W? 100% 
> 
> ​> ​No,
> 
> ​No? So you think the H-guy will see W ​no question about it,

?



>  ​but there is not a 100% chance the H-guy will see W​. This is logic?​

?

I explain this later … Let us see.


> 
>  
> ​> ​because if that is the prediction made in Helsinki, as asked, it will be 
> refuted by the M-guy.
> 
> ​What the M-guy says or doesn't say is irrelevant.


Why?



> ​If the W-guy is the H-guy and the W-guy sees W then that's the end of the 
> story, the H guy will see W with absolute certainty.


Oh, just to evacuate the counter-example. That is not valid.





> Yes the H-guy is no longer unique ​but that is to be expected because that's 
> what "being copied" means.​

But that enforce you to listen to the M-guy. Simply enough.



> 
> ​> ​We want the prediction be correct for both copies
> 
> ​What you want is contradictory, its ridiculous!

Obviously not. If the H-guy, when still in H, predicts W v M, that prediction 
is verified, when all the others are contradicted by one of the copies, if not 
both.




> If they are dropped into different environments, like in different cities, 
> then they can't have the same fate so no one prediction can be correct about 
> what will happen to both of them; and that is all utterly predictable. So 
> where is the indeterminacy?

It is on the first person that the H-guy will live *from its first person point 
of view*.





> The only grand mystery in all this is what does the word "you" mean when 
> Bruno asks "What one and only one city will YOU see after YOU step out of a 
> YOU duplicating machine?”


The “you” is an indexical. If you were genuinely interested, you would study 
the translation in arithmetic. The 3-you is mathematically defined with 
Kleene’s second recursion theorem, and the 1p-you is defined with applying 
Theaetus’s definition on it. 

Bruno


> 
> John K Clark      
>  
> 
> 
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