On 02 Jul 2012, at 19:39, meekerdb wrote:
On 7/2/2012 1:10 AM, Bruno Marchal wrote:
It is no different than abstracting apples and oranges as fruit
so that we can add one apple to one orange and get two fruit. It
doesn't make apples and oranges the same thing.
Sure. But it makes both of them being incarnation of fruit, showing
that fruit can exist even without apple or without orange.
But then your step 8 is analogous to saying that fruit exists in
Platonia, independent of any physical realizations, and then since
we can dispense with an physical realization of a fruit, physics is
not fundamental but fruit is.
No doubt that the fruits are physical, and biological, and have deep
relation with our local constitutions.
I am not saying that physics is not fundamental, in the sense that it
determines indeed our local neighborhoods. I am saying that if comp is
correct we have the problem to relate the inference made by the
machines in those computations coherent with what they experienced,
which has to take the complex 1-indeterminacy domain given by UD*, or
by elementary arithmetic. But this results in having to derive physics
from the comp 1-indeterminacy, the global one, below our substitution
level, on UD*, or equivalently the sigma_1 complete part of
arithmetic. That is huge, from inside.
Bruno
Brent
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