On 6/24/2019 11:08 AM, Quentin Anciaux wrote:


Le lun. 24 juin 2019 à 19:30, 'Brent Meeker' via Everything List <[email protected] <mailto:[email protected]>> a écrit :



    On 6/24/2019 2:29 AM, Quentin Anciaux wrote:


    Le lun. 24 juin 2019 à 11:18, Bruno Marchal <[email protected]
    <mailto:[email protected]>> a écrit :


        On 24 Jun 2019, at 05:55, 'Brent Meeker' via Everything List
        <[email protected]
        <mailto:[email protected]>> wrote:



        On 6/23/2019 5:40 AM, Bruno Marchal wrote:

        On 21 Jun 2019, at 21:49, 'Brent Meeker' via Everything
        List <[email protected]
        <mailto:[email protected]>> wrote:



        On 6/21/2019 5:35 AM, Bruno Marchal wrote:

        On 21 Jun 2019, at 09:04, Bruce Kellett
        <[email protected] <mailto:[email protected]>>
        wrote:

        On Fri, Jun 21, 2019 at 4:26 PM 'Brent Meeker' via
        Everything List <[email protected]
        <mailto:[email protected]>> wrote:


            To disconfirm MWI you'd have to observe statistics
            far from the expected value,


        To make my point more strongly, that is the wrong way
        round. Observation of statistics far from the expected
        value is what would be required to confirm MWI.

        I don’t see this at all.



        The fact that we don't observe such results is the
        strongest possible case against MWI!

        ?

        The probability to see a deviation is the same in both
        Everett, and Copenhagen. The deviation expected is the
        same, so if there is a deviation, it can hardly be used
        to claim one theory is more correct than the other.

        But as Bruce points out Tegmark's machine gun experiment
        is effectively being carried out by each of us.

        That is quantum immortality. On this list I have defend
        this, but Tegmark rejected it, and claimed that the
        survival to quantum suicide does not entail quantum
        immortality. He might have changed his mind since, perhaps.



        So if each of us lives on a million years in some branch
        of the MW, then each of us will experience 99.9% of our
        life as a very old person among people younger than 100yrs.

        Unless there are intimidate realities in between Earth and
        Heaven.

        It would still imply that each person would experience only
        a small part of their existence surrounded by other persons
        whose age differed by less that 120yr from their own.  And
        so each of us should be surprised that we find ourself in
        exactly that kind of world.


        Using some anthropoid argument, but like fine tuning, I tend
        to agree with Vic that is is not really convincing, and
        should be handled mathematically. Only progress in the
        mathematical theology will show if this threat Mechanism or not.

        Bruno


    The thing is we should first be born before being 1000000
    years... so it seems not surprising finding yourself "young",
    that you are with other "young" people.

    That's seems to implicitly assume that everybody starts at the
    same time, so they are young together and then old together (in
    the branches they survive).  I see no justification for
    conditioning on being young, since the point of the argument is
    that given quantum immortality the time you are young is of
    measure zero.

    Brent


You have to be young first, your actual moment is not randomly sampled from all possible you moments, it is ordered. As very old is very unlikely, when in your first years, you should not find yourself around very old people.

What is "ordered"?  A sample is just a sample, it has no order.  If quantum immortality is true, then you must exist at all ages.  And a sample from that distribution is unlikely to find you young.  Sure, if you condition on being young, then you will see young people around you...because whether you are young or not you will see young people around you.  The problem is that YOU are most likely to be old.

Brent



    If our age was randomly selected, then I agree it should be a
    surprise finding yourself young... but as you cannot be old
    *before* having being young *you have to* find youself young
    first in the flow of your life.

    Quentin





        Brent

        That is the whole subject of mathematical theology.
        Computer science justifies jumps and intermediate
        realities. It is not an obvious subjects, but the nuances
        given by incompleteness provides some light. Some personal
        experience, like with some plants, can help, but can also
        mislead. Nothing is obvious, and everything requires a lot
        of work.

        Bruno





        Brent

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-- All those moments will be lost in time, like tears in rain. (Roy
    Batty/Rutger Hauer)
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