On 9/25/2019 4:31 AM, John Clark wrote:
On Mon, Sep 23, 2019 at 6:47 PM Philip Thrift <cloudver...@gmail.com <mailto:cloudver...@gmail.com>> wrote:/> Quantum Bayesianism, or QBism as Fuchs now calls it, solves many of quantum theory’s deepest mysteries./It seems to me the Copenhagen Interpretation of Quantum Mechanics is just the Shut Up And Calculate interpretation with a few superficial cosmetic tweaks thrown in, and Quantum Bayesianism is just a new name for the Copenhagen Interpretation with a few more superficial cosmetic tweaks; none of them even try to provide any sort of ontology./*> Since the wavefunction doesn’t belong to the system itself, each observer has her own. *My wavefunction doesn’t have to align with yours./If you and I do the 2 slit experiment we both calculate the same wavefunction so when we square the absolute value we both get the same probability and both either see or don't see an interference pattern depending on how the experiment is setup.
But if I know that the "which way" has been measured and you don't, we get different answers.
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