I printed the following "Duplicate Questionnaire" and gave one to both
John-Washington, and John-Moscow. The questionnaires each had 8 questions:

1. What city did you last recall being in?
2. How many cities do you see now?
3. What is the name of the city you see before you?
4. True/False: You see two cities right now:
5. True/False: The prediction that you see Washington was:
6. True/False: The prediction that you see Moscow was:
7. True/False: The prediction that you see Washington and Moscow was:
8. True/False: The prediction that you see Washington or Moscow was:

When I gave the questionnaire to John-Washington, he filled out the
following answers (in bold):

1. What city did you last recall being in? *Helsinki*
2. How many cities do you see now? *One*
3. What is the name of the city you see before you? *Washington*
4. True/False: You see two cities right now: *False*
5. True/False: The prediction that you see Washington was: *True*
6. True/False: The prediction that you see Moscow was: *False*
7. True/False: The prediction that you see Washington and Moscow was:
*False*
8. True/False: The prediction that you see Washington or Moscow was: *True*

When I gave the questionnaire to John-Moscow, he filled out the following
answers (in bold):

1. What city did you last recall being in? *Helsinki*
2. How many cities do you see now? *One*
3. What is the name of the city you see before you? *Moscow*
4. True/False: You see two cities right now: *False*
5. True/False: The prediction that you see Washington was: *False*
6. True/False: The prediction that you see Moscow was: *True*
7. True/False: The prediction that you see Washington and Moscow was:
*False*
8. True/False: The prediction that you see Washington or Moscow was: *True*

Both Johns expressed deep regret over insulting people on the Everything
list, most especially Bruno. It turned out neither John-Washington's, nor
John-Moscow's prediction that they would see both cities was true from
their own first person points of view.

Jason




On Mon, Jul 11, 2016 at 5:15 PM, John Clark <[email protected]> wrote:

> On Mon, Jul 11, 2016, Bruno Marchal <[email protected]> wrote:
>
>
> ​
>>> ​>> ​
>>> 1) Each
>>> ​
>>>  copy saw only one city.
>>
>>
>> ​> ​
>> Excellent! That is the correct 1-view description. Now, you just need to
>> interview each copy about the prediction made in Helsinki and written in
>> the diary to evaluate the better one.
>>
>
> ​How? Which turned out to be the better prediction, Moscow or Washington?​
> And was the prediction about John Clark or was it about some mysterious
> figure named "you"?
>
> ​2) ​All the copies together saw 2 cities.
>>
>>
>> ​> ​
>> Correct 3p description of the experiences of all copies. That is the 3-1
>> view. We need it to get the correct "1)", but "all the copies" is not a
>> person,
>>
>
> ​Then asking the Helsinki Person "what city will *you* see?" or "how many
> cities will *you *see?" is a nonsense question because this is a world
> with people duplicating machines. ​
>
>
> ​> ​
>> that is why you correctly add "together"
>> ​
>> (which is the 3-1 view, in which we are not interested).
>>
>
> ​I know, you're interested in "THE 1p view​" but as you just pointed out
> in a world with people duplicating machine  "THE 1p view​" is meaningless,
> there is only "A 1p view".
>
>
>> ​> ​
>> we are asked about the 1-views.
>>
>
> ​You are asking about what one and only one city was seen by "
> the 1-views
> ​" and that is a incoherent question with no coherent answer.​ Garbage in
> garbage out.
>
> ​>> ​
>>> ​4) ​The statement "John Clark will see two cities" turned out to be
>>> unambiguously true.
>>
>>
>> ​> ​
>> In the 3-1 view, sure.
>>
>
> If they were logical it would be true from ​true from ANYBODIES view,
> Helsinki man Moscow Man Washington man you name it; John Clark will see two
> cities.
>
>
>> ​> ​
>> But we asked about the 1-views.
>>
>
> ​There are 2 "1-views", and Bruno Marchal demands to know which *ONE* and
> only *ONE* *you* will see, and that demand is pure gibberish.
>
> ​>> ​
>>> So which one was right?
>>
>>
>> ​> ​
>> Trivially both when in Helsinki the prediction written in the diary was
>> "W v M",
>>
>
> ​But what exactly was the prediction about? If it was about how ​many
> cities John Clark will see there would be universal agreement that answer
> turned out to be 2, but if was about how many cities you will see there
> will never be universal agreement on what the answer turned out to be
> because in a world with people duplicating machines the personal pronoun
> used will be ambiguous.
>
>
> *​> ​Holiday Exercise:​  [...]*
>>
>
> ​Adding more cities and more duplicates of "you" will not clarify the
> situation about what one and only one thing will happen to "you".
>
> ​> ​
>> So, is it 1/4 or 1/3 ?
>> ​ ​
>> Can you modify a bit the protocol so that we get any of those results?
>>
>
> ​Bruno, as long as the question has a personal pronoun in it any
> probability for getting the right answer can be cranked out, and they're
> all meaningless.
>
>  John K Clark ​
>
>
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