> On 17 Feb 2020, at 22:50, Bruce Kellett <bhkellet...@gmail.com> wrote:
> 
> On Tue, Feb 18, 2020 at 1:15 AM Bruno Marchal <marc...@ulb.ac.be 
> <mailto:marc...@ulb.ac.be>> wrote:
> On 16 Feb 2020, at 23:17, Bruce Kellett <bhkellet...@gmail.com 
> <mailto:bhkellet...@gmail.com>> wrote:
> 
>> They clearly can't all be right, so either there is no actual probability 
>> underlying the events and their calculations are misguided, or the theory 
>> itself is incoherent.
> 
> The prediction must be valid for all the copies. Are you OK that the H-guy 
> predicts “W or M”, instead of “W”,
> “M” and “W and M”, for one trial?
> 
> 
> No, the only thing he can say, given the protocol, is that there will be a 
> copy of me in W and a copy in M. Probabilities do not come into it.

But there were no probabilities involved in my question. An indeterminacy was 
involved, perhaps you are saying that no “non determinacy” are involved, but 
this would imply the rejection of Mechanism, and you are telling me that in a 
self-duplication you just die?

If Mechanism is assumed, (i.e. the idea that we can survive with a digital 
body/brain, or classical teleportation, duplication, etc.) it is easy to see 
that if the H-guy predicts, for his person first person experience (which does 
not disappear by mechanism) “W or M”, the two copies will say that the 
prediction was correct (and if the protocol is respected, they are both correct 
indeed). But f the H-guy predicts “W”, or “M” or “W and M”, one guy at least 
will have an experience refuting that prediction, making it incorrect.




>  
> Are you OK that the H-guy says (assuming mechanism of course) that he is sure 
> to get some coffee, but that he cannot be sure if it will taste like American 
> or Russian coffee?
> 
> The M coffee will taste Russian, and the W coffee will be undrinkable, like 
> most American coffee.

OK. Lol.

But the question is do you agree that in H you are unable to be sure about the 
taste of the coffee which he will experience after pushing the button. He will 
never say I will feel both, as no copies at all will ever experience them both, 
in the fist person way of experiencing something.



> 
> 
> Some will be wrong, but the majority will be correct. As the number of 
> iteration increase, we get near one. And in the “real scenario”, that is 
> confronted to the arithmetical reality which emulates all 2^aleph_0 
> consistent continuations, those having the wrong probability constitue a set 
> of real of measure 0.
> 
> There is no "wrong" probability! All 1p probabilities are equally valid -- 
> and equally wrong.

That begins to look like postmodern relativism to me, to be honest. All 1p 
experience are equally valid, but not all distribution of probabilities are 
confirmed in the personal diary (the one in which the prediction is made, and 
that the candidat take with him in the duplication-annihilation machine).



> >Those disagreeing with any 1p probability form sets of zero measure in the 
> >limit of large N.
> 
> Again, you use the 3p view to refute a 1p perception. And that is invalid.

I do not refute the 1p perception, only the theory some person can build, and 
which is wrong for almost all copies. Keep in mind that the question is about a 
future first person experience, not on anything communicable in a 3p manner.

Bruno



> 
> Bruce
> 
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