Zbigniew Motyka wrote:
Marchal wrote:[[[EMAIL PROTECTED]] -Re: Free
will/consciousness/ineffability, 01-10-01(see below)]:
I don't believe in matter (personal opinion)
Comp is incompatible (in some sense) with existing matter (my thesis).
(...)
I agree and that is why I believe that IF we are machine THEN we are
immaterial machine. We have never leave Plato heaven if you want.
Now I don't believe copy of material universe exists in Platonia.
Appearance of physical universes emerges on the computational histories.
To explain appearnance of lawfulness we need to take into account
*ALL* computational histories.
(...) If there is a physical universe then comp is false.
Equivalently if comp is true there is no physical universe.
Many people seem to believe in Popper?s Third World - Platonia more then
in their own personal experience. People believe in many other things as
well. It doesn?t mean that every ?designum? (designated object) of their
belief (signum) does really exist somewhere else then in Platonia, where
any every possible idea would exist. I used conditional to underline that
in my opinion there is no idea in Third World which was not created first
in the brain of some conscious being. In such an understanding, Platonia
would be nothing more than the global memory existing in whole the world.
In my opinion it is sublimated form of global (social) consciousness
(culture) and as such is the property of more complicated level of matter
than single (human) being.
But what is matter? Even in the physicist books I see only relation
between numbers. My Platonia is numberland, including the many dreams,
obeying to the laws of dreams (computer/information science), I have no
serious evidence that substancial (aristotelian) matter exists in any
obvious sense. I don't postulate it.
And as consciousness for humans is the property
of material brain,
In which sense? I mean with or without comp? Few people doubt the
brain obeys computational laws at some level (like Schroedinger equation).
Even Hameroff accept it implicitely by postulating the brain is a
(universal) quantum machine. Only Penrose seems aware (for incorrect
reason unfortunately) that the existence of substancial matter
(not intelligence) is incompatible with comp, so that a materialist
toe need a non computaionalist theory of mind. (Of course I got
the equivalent contraposition: a computationalist toe need an
immaterialist theory of matter).
... the culture is the property of society.
OK. I mean that comparison has some smell of truth ...
Such a point
of view is commonly identified with Marxism and too often declined only
due to that negative connotation - what a pity. In my opinion - as a
physicist - materialism is much closer to physical description of the
world then any form of idealism.
That is a quite respectable opinion. All what I say is that such
opinion is incompatible with comp (and weak form of Ockham).
I proved that comp gives us no other choice, for solving the mind body
problem, than deriving the physical laws from a set of self-referential
truth. More generally from logic + arithmetic (I indeed translate a
simple
argument (the dovetailer universal argument UDA) in arithmetic
by using the Godel trick (perfectionned by Lob, Solovay, Boolos, Visser,
Goldblatt). BTW I use also the formidable work of Grzegorczyk, a great
Polish logician. The arithmetical version of the first person is given
by his modal logical system S4Grz (Grz for Grzegorczyk).
You know Poland has been one of the most productive country in logic!
And physical description is the best
description humans worked out as the scientific method of
cognition, so far.
I am quite amazed by physics and physicians. Still I am used to believe
that the mind/body problems is physics' Achile's Heel. It is the place
where aventurous physicist will meet aventurous psychologist or
theologians.
There is no reason (even from the Okham?s point of view) to believe in
Platonia solely and neglect material world.
Material world appear more solid when we will understand that
its stable laws emerge from machines forever dreaming in Numberland.
Everything you can state from
such point of view, may be easily translated in terms of properties of
matter.
You talk like if you have a proof of the existence of matter. Like if it
was
obvious subtancia are consistent. But you know substancia only appears
in Aristote mind when he misunderstood Plato doctrine on intelligible
ideas.
(My opinion!). Despite the formidable success of physics, the main
problems are not solved: neither qualitative appearance, nor (the new
problem which appears through the comp hypothesis), the problem of the
qualitative *appearance* of matter and quantities.
You talk like if matter has been defined, or if we know what it is.
I don't think we know that. From material point to probability waves
and superstring in complex space, it seems matter is elusive, even