Hi Maurizio,
Le 11-déc.-06, à 14:29, Maurizio Morabito a écrit :
Hello everybody
I am a 39-year-old male with a Master in Engineering, a scientific
background and an enduring passion for Cosmology
I have been elaborating something along lines similar to Tegmark's
myself for a few years, albeit starting from a more philosophical point
of view
I appreciate Tegmark's "mathematicalism". But I cannot follow him in
the details because he assumes a naive relation between an observer and
a "physical" universe. Precisely, if we assume there is a level where
we are turing-emulable, I have argued(*) that the physical laws should
emerge from a sum on all computations capable of supporting my current
computational state. Eventually this makes physics a branch of computer
science. At the same time this gives physics a predominant role in the
sense that physics is no more related to some special mathematical
structure, but to a sort of sum (perhaps a generalized integral à-la
Feynman) on all mathematical structures.
My original question was something like this: "Given that I am physical
being, can a tree in my thoughts be any less physical than a tree in my
garden?"
Are you open to the idea that the tree in the garden is no more
physical than the tree in your eyes? A little like if "physical
reality" was the result of a video game. Actually I would argue physics
emerge from an infinity of "video games" which mathematical existence
can be justified already in weak axiomatic of the natural numbers (with
addition and multiplication) or from any specification of any universal
turing machine.
Tegmark is a bit too quick on the mind/body relationship (to make it
short).
Here's my current stance on the topic (I presume the titles are
giveaways...):
God’s Many Dices (I) - The Science of Parallel Universes (an extended
commentary of Tegmark's):
http://omnologos.wordpress.com/2006/10/23/god%e2%80%99s-many-dices-i-
the-science-of-parallel-universes/
http://tinyurl.com/y565d2
God’s Many Dices (II) - The Philosophy of Parallel Universes
(introductory remarks on the philosophical consequences of parallel
universes)
http://omnologos.wordpress.com/2006/10/24/god%e2%80%99s-many-dices-ii-
the-philosophy-of-parallel-universes/
http://tinyurl.com/y4udnp
In the second article I propose an answer to the Theodicea question
(namely, God doesn't just "allow evil" to happen: God allows
"everything" to happen). I haven't come across that before (is anybody
else here interested in the topic?)
What is the difference between "everything exists" (the main line of
this list) and God allows everything to happen. What is that "God" and
how does the fact that It allows everything to happen solve the
"theodicea question". Is a God allowing Darfur "good" ? Does "God"
allows everything to happen, or is "God" not able not to allow
everything to happen (in that case your "God" has no relationship with
the Christian God and with the traditional theodicea question, as some
have reminded me recently in the list.
Anyway, having just joined I'll now lurk for a while
You are welcome,
regards
maurizio
Blog (English): http://omnologos.wordpress.com
Blog (Italiano): http://mauriziomorabito.wordpress.com
Bruno
(*) http://iridia.ulb.ac.be/~marchal/
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