On 22 Feb 2012, at 18:17, marty684 wrote:
Bruno,
If everything is made of numbers (as in COMP)
Nothing is "made of". Everything appears in the mind of Universal
numbers relatively to universal numbers, with hopefully reasonable
relative statistics.
Think about a dream. If you dream that you drink coffee, you can
understand that such a "coffee" is not made of anything. The
experience of coffee is due to some computation in your brain. With
the big picture apparently implied by comp, even the brain is like
that dreamed coffee: it is not made of anything. It is only locally
made of things due to the infinitely many computations generating your
actual state.
The "matrix" metaphore, or the Galouye "simulacron" metaphore is not
so bad.
And we don't need more than the numbers + addition and multiplication
to get an initial dreaming immaterial machinery.
which can express states to an arbitrary degree of precision, is
there any room for chance or probability?
There is ONLY room for probability. The whole physics is made into a
probability calculus.
And if so, how do they arise?
Read UDA. You might understand that if we are machine (numbers
relative to other numbers), then we cannot know which machine we are,
nor which computations supports us, among an infinity of them.
Everything observable becomes probabilistic. The probability bears on
the infinitely many computations going through your 'actual' state
(that's why they are relative).
(If you've been over this before, please refer me to the relevant
posts, thanks.) marty a.
Read UDA, and ask question for each step, in case of problem, so we
might single out the precise point where you don't succeed to grasp
why comp put probabilities, or credibilities, uncertainties, in front
of everything. UDA1-7 is enough to get this. UDA-8 is needed only for
the more subtle immateriality point implied by computationalism.
Bruno
http://iridia.ulb.ac.be/~marchal/
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