On 6/25/2018 4:57 AM, Bruno Marchal wrote:
What is the mechanism in the block universe model? What is the
mechanism for the UD to produce the physical world?
The UD, or simply the sigma_1 arithmetical reality generates all
dreams (where a dream is a computation supporting a Löbian machine)
and the physical appearances are explained by the relative statistics
on those dreams, due to that first person indeterminacy (that no
digital machine can avoid). That is constructive, so we can test the
theory, and up to now, it is not refuted, at the place were
physicalism + mechanism is refuted.
It's not refuted because "the physical appearances are explained by the
relative statistics on those dreams" is merely aspirational. It's one of
those things that "must be true"...else the theory fails.
Brent
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