On Thu, Aug 8, 2019 at 11:38 AM 'Brent Meeker' via Everything List <
[email protected]> wrote:

>
>
> On 8/8/2019 1:50 AM, Bruno Marchal wrote:
>
> Except in the case of quantum mechanics the theory you are saying predicts 
> other worlds, also predicts they are inaccessible.
>
> That is right, but the theory predicts that they are indirectly playing an 
> important role without which QM explains nothing.
>
>
> But this is quite different from classical theories, that for example the
> dark side of the Moon exists.  In that case the theory also predicts that
> it is possible to go to the dark side of the Moon.   A theory that predicts
> X but also that X is inaccessible and has no possible effect is a theory
> that could discard X.
>

Not without needlessly complicating the theory.

Jason

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