On 7/5/2025 11:42 PM, Quentin Anciaux wrote:


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

Le dim. 6 juil. 2025, 06:43, Brent Meeker <[email protected]> a écrit :



    On 7/5/2025 7:16 PM, Quentin Anciaux wrote:
    With MWI, measurement is just unitary evolution entangling the
    observer with the system, so no collapse postulate is added.

    Copenhagen plus decoherence still requires you to say the
    wavefunction really collapses to one outcome.
    You say that like agreement with experience is a flaw.


One and only one history is a flaw imo and I already explained why I have that opinion.


    MWI just treats the whole process as continuous evolution, with
    all branches persisting.
    I know.  But it still assumes the experimenter is free to choose
    what measurement he makes...


Of course as he makes them all.

    unlike superdeterminism.  So if you really think determinism is
    important...


Then I should follow a non sensical theory?
In MWI, determinism applies to the whole wavefunction, but freedom of choice still appears inside each branch, without any global conspiracy linking settings to hidden variables. That’s why it isn’t superdeterminism.
Why would you suppose that determinism applies to everything, but then make an exception for brains.

Brent

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