On 19 Jun 2014, at 02:00, LizR wrote:
PS I must say I find step 3 an odd place to attempt to refute comp.
Presumably you've accepted the original assumptions and the first
two steps. Most people either disagree with the original
assumption(s), or go for the MGA (i.e. the "reversal" - the argument
that we don't need a physical universe).
I might add perhaps that the reversal appears already at the step
seven (and this shows also what Tegmark missed, at least in some of
its "multiverse level protocol".
But to conclude the comp reversal at this point, does not follow
logically, by the small primitive universe assumption.
Given that the math already gives the clues of a quantum reality, we
can already believe that the small universe move is rather ad hoc, but
what the step 8 (MGA) explains, is that the small universe move can
protect physicalism + computationalism (without FPI on UD*), but only
in still adding non Turing emulable quality to matter.
This is just to help you for the step 8. Sometimes people put too much
in step 8, like if I was saying that comp makes primitive matter
logically impossible, when it only makes primitive matter into a God-
of-the-gap or a stop-doing-research type of move.
Step 3, iirc, is just the demonstration of first person
indeterminacy, which is I would think no more contraversial here
than it is in Everett.
Yes. Quentin explained this point more than once to John Clark,
without success.
Bruno
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