Pierz wrote:
And it's true, you can't determine probabilities by counting branches.
Not by counting the number of eigenvalues, but by treating the
probability amplitude associated with each eigenvalue as a measure of
underlying worlds - well that was my understanding.
So you have, in fact, achieved nothing. You have to impose a probability
interpretation that is external to MWI, whether given by the number of
branches or not. Postulating an infinity of branches in every case, and
then using the Born rule to give a probability measure over this
infinity, is all rather much a waste of time. Besides the fact that
there is zero experimental support for such an idea.
Bruce
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