On 30 Apr 2016, at 06:46, John Clark wrote:
On Fri, Apr 29, 2016 a John Mikes <[email protected]> wrote:
> Bruno: do you have a good definition you could use for
"physical"?
If it's physical then if it is of a large enough magnitude it can
impact one of the senses without any intermediary.
And how you define "senses"?
That's why a number like a billion is not physical, it has a large
magnitude but a billion of something is needed to effect the senses,
a billion alone can't do anything. A number is a idea, and a idea
needs a physical brain to think it.
You accept computationalism, or digital mechanism. You should
understand that a number can get sense only relatively to a universal
number processing it. Now, a tiny part of arithmetic semantically
process all computation + all oracles. The physical is easier to
explain from that, than to explain sense from the physical, especially
if you use the term "sense" in your definition of physics.
Given that Bruno talks about "3p" so much a better question to ask
is " Exactly what does the personal pronoun "you" mean?". I didn't
just provide a list of synonyms, I explained what "physical"
means; but when Bruno is asked about "3p" it's all circular
definitions.
I use the standard definition of Gödel for the 3p-self, and thanks to
incompleteness I can use the theatetical variant of it for the 1p-
self, although I get nuances between justifiable, knowable,
observable, and sensible, which are variate aspect of the first person
points of view. The math is the standard theory of self-reference.
textbook: Boolos 93. recreative introduction "Forever Undecided". The
logic of the 3-self is given by G (from the machine 3p view about
itself) and by G* for the divine (true) view. The 1-self logic is
given by S4Grz, the 1-observable by X1*, etc. But, most understand
intuitively the reduction of physics to meta-arithmetical statistics
using the definition I give in the informal universal dovetailer
argument. For example, in the repeated self-duplication, the 1-yous
are given by each individual sequence of W and M in each personal
diary, and the 3p you is the unique 3p diary describing all
diaries:sequences. It is similar with Everett universal waves, and the
relative states.
Bruno
John K Clark
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