On 9/6/2015 10:49 PM, Stathis Papaioannou wrote:


On Monday, September 7, 2015, Brent Meeker <meeke...@verizon.net <mailto:meeke...@verizon.net>> wrote:



    On 9/6/2015 7:20 PM, Jason Resch wrote:


    On Sun, Sep 6, 2015 at 8:23 PM, Brent Meeker
    <meeke...@verizon.net
    <javascript:_e(%7B%7D,'cvml','meeke...@verizon.net');>> wrote:

        $2, because you can just say "Monday" each time you're asked.
        It has nothing to do with probabilities.  It's a good
        analogue of the MWI problem; when everything is deterministic
        and everything happens there's no objective measure.


    There are many "interpretations" of prboability:
    https://en.wikipedia.org/wiki/Probability_interpretations

    I think the thought experiment I describe is an example of
    probability under the "frequentist" definition.

    No, there's no randomness in it.  There's no distribution to
    approximate in repeated trials.


It's the same kind of randomness that emerges from multiverse theories.

Right, a kind which doesn't (in most models) have a probability interpretation because there's no clear measure.

You presumably estimate probabilities in everyday life, and generally it serves you well.

Sure, I make subjective estimates by hypothesizing some ensemble of possibilities with a measure on it - but I don't infer from this that all those hypotheticals really happen or that the probability I come up with is an objective fact about the world.

Brent

Do you conclude from this that multiverse theories are wrong, and there must be a single track universe with true randomness?


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Stathis Papaioannou
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