Re: Believing ...

2007-03-23 Thread John M
Bruno, those 'idealistic' definitions from Leibnitz and Descartes are not 
experienced in -
- what is called usually as "science". Look at the "Laws" of physics, does 
engineering doubt them? The statements of 'logic', arithmetic, etc. etc. are 
all " believed" as FIRM laws. Now that is what I call 'reductionist" = to 
consider a topical limited cut from the totality for the relevant (?) 
observations WITHIN such (what I call: model), and draw conclusions if there 
were nothing else to consider. That is what Academia (tenure-Nobel) does and 
what - as I wrote - most editing companies accept for publication. This is 
close to what young minds get brainwashed into in college education. e.g. 
Physics 101 etc. (Neurology not exempted).
Absolutely different from what you and I said. No 'flexible mind' allowed. 
I hope you accept "my terms" for 'reductionist science' ,  
John
  - Original Message - 
  From: Bruno Marchal 
  To: everything-list@googlegroups.com 
  Sent: Friday, March 23, 2007 7:36 AM
  Subject: Re: Believing ...




  Le 21-mars-07, à 22:18, John Mikes a écrit :

  > Academic - tenure - even Nobel type conventional science is 
  > rfeductionistic
  > in this sense.. I agree: "SCIENCE" should be as you identified it.


  Thanks for telling. I thought, a bit naively perhaps, that after 
  Descartes and Popper, say, it was part of common knowledge that 
  science, properly understood, is an arrow from doubts to ... more and 
  more doubts, and cannot, thus, be reductionist.

  You know, people like Leibniz and even the young Hilbert thought that a 
  machine could exist capable of answering, at least in principle, all 
  question about numbers, actually all question about machine as well, 
  including herself. Now we know that we can interview machine as 
  powerful as we want, as far as they remain self-referentially correct, 
  they remain extraordinarily modest. If you ask to such a machine if she 
  will ever say a bullshit, well, the young one crash immediately 
  (transforming herself into a universal dovetailer btw), the older one 
  answer that either they will say a bullshit, or that they ...  might 
  say a bullshit(*).

  Bruno

  (*) For the modalist: "I will prove a falsity or it is consistent that 
  I will prove a falsity"

  Bf v DBf(same as Dt -> ~BDt).

  With the older modal notation:

  []f v <>[]f   (same as <>t -> ~[]<>t )

  B = [] = Godel purely arithmetical provability predicate (Beweisbar)
  D = <> = ~B~= ~[]~
  Recall that, as Aristotle already got, ~B = D~ and ~D = B~ (in the 
  alethic mode: not necessary p = possible not p ; not possible p = 
  necessary not p. See my older modal posts.

  http://iridia.ulb.ac.be/~marchal/


  


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Re: Believing ...

2007-03-23 Thread Bruno Marchal


Le 21-mars-07, à 22:18, John Mikes a écrit :

> Academic - tenure - even Nobel type conventional science is 
> rfeductionistic
> in this sense.. I agree: "SCIENCE" should be as you identified it.


Thanks for telling. I thought, a bit naively perhaps, that after 
Descartes and Popper, say, it was part of common knowledge that 
science, properly understood, is an arrow from doubts to ... more and 
more doubts, and cannot, thus, be reductionist.

You know, people like Leibniz and even the young Hilbert thought that a 
machine could exist capable of answering, at least in principle, all 
question about numbers, actually all question about machine as well, 
including herself. Now we know that we can interview machine as 
powerful as we want, as far as they remain self-referentially correct, 
they remain extraordinarily modest. If you ask to such a machine if she 
will ever say a bullshit, well, the young one crash immediately 
(transforming herself into a universal dovetailer btw), the older one 
answer that either they will say a bullshit, or that they ...  might 
say a bullshit(*).

Bruno

(*) For the modalist: "I will prove a falsity or it is consistent that 
I will prove a falsity"

Bf v DBf(same as Dt -> ~BDt).

With the older modal notation:

[]f v <>[]f   (same as <>t -> ~[]<>t )

B = [] = Godel purely arithmetical provability predicate (Beweisbar)
D = <> = ~B~= ~[]~
Recall that, as Aristotle already got, ~B = D~ and ~D = B~ (in the 
alethic mode: not necessary p = possible not p ; not possible p = 
necessary not p. See my older modal posts.

http://iridia.ulb.ac.be/~marchal/


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Re: Janus [was Evidence for the simulation argument ]

2007-03-23 Thread Bruno Marchal

Mark,

I appreciate your post, and I take any feeling, that what is said here 
is incompatible with the computationalist hypothesis, as a 
misunderstanding of what comp could be, or as an absence of knowledge 
of how computer science and mathematical logic force us to revise our 
opinion on machine and numbers (natural or not). The Janus image is 
cute. From any correct machine point of views, incompleteness forces us 
to recognize that arithmetical truth is a Janus with at least 8 (or 16, 
or 24, ...) heads. Those unavoidable quite different internal and not 
always arithmetical view of the arithmetical reality(*) connect all 
"machine dreams" in an eventually empirically testable view, and also, 
contrary to "usual physics" prevent at the start the usual pre-Loebian 
pseudo-mechanist or materialist elimination of the person.

Bruno

(*) For example, from the first person point of view a machine cannot 
identify herself with ANY machine. When a machine says "I am not a 
machine", if "I" denotes the first person canonically attached to the 
machine, such an assertion is correct. I know that this is 
counter-intuitive. I can provide more technical explanation if asked.



Le 21-mars-07, à 18:05, Mark Peaty a écrit :

>
> John, with your rich linguistic experience you surely recognise
> that English [plain or otherwise] is very much a hybrid language
> - and surely many who are forced to learn it as a second or
> third language would call it 'b*stard' even. And the way that we
> native speakers of English use words from other languages is
> never very consistent, Imp*rialistically exploitative is the
> stronger tradition. So please don't expect great depth of
> empathy with Latin or whatever.
>
> The point about 'Janus' - who I first heard about through
> reading the books of Arthur Koestler - is that 'he'?  no 'It'!
> embodies or symbolises some interesting aspects of the
> part-whole nature of things in the real world. And it was Arthur
> Koestler who really majored on the pervasive manifestation and
> influence of part-whole dichotomy-as-integration in nature.
>
> My rave about Janus and the quora is an attempt to digest all
> the strange and seemingly incompatible theories and descriptions
> trotted out on this and other discussion groups. The Janus
> incorporates a basic paradoxical feature of the 'real' world:
> togetherness and separation. The two faces of Janus ARE one
> entity or feature, like the two sides of a door. Each face must
> connect with others, and it seems self evident that such a place
> of connection requires at least three different Jani to be
> linked together, because just two would not be distinguishable.
>
> Part of the reason I go on about this is that I am not satisfied
> with conceptions of 'arithmetic' being ultimate in nature and
> somehow immune from entropy. My take on things is that
> 'existence' per se is ultimately irreducible but we can never
> get to the bottom of it. Indeed, 'getting to the bottom' of the
> _Great It_ may be impossible in principle if process physics is
> the truest description we can find. If basic space time is an
> eternal process of collapse and simplification in the direction
> of smallwards, there may be no true smallest thing. Our
> discovery of the Planck length, etc, and the fact that we live
> in a world of the characteristic dimensions it appears to have,
> may be 'just' artefacts or consequences of being the size we
> are. What I mean  is there may be no limits to the range of
> scales [orders of magnitude] that are possible.
>
> One good feature of the 'Janus' concept is that it incorporates
> existence, connection at potentially vast distance, the
> potential for 'direction' [because the two faces of Janus are
> looking opposite ways], the potential for tension and its
> resolution through simplification [and therefore gravity as
> drift towards small size], and so forth. Furthermore it does not
> rule out the possibility that the connections embodied as the
> Janus connection, are of an indeterminate, fractal nature. This
> might be reflected in the node or quorum actually being made of
> [or having] fractional connectivity.
>
> I see it as possible that 'numbers' are in fact words, and the
> 'integers' or 'whole numbers' that we commonly speak of and
> utilise are actually convenient fabrications humans have created
> in order to impose order on the world. It is conceivable that
> everything real is actually a process that can only ever be
> represented properly with 'quasi-numbers' that only ever
> exhibit/take fractional values.
>
>
> Regards
>
> Mark Peaty  CDES
>
> [EMAIL PROTECTED]
>
> http://www.arach.net.au/~mpeaty/
>
>
>
>
>
> John Mikes wrote:
>> Mark, makes sense - but... *: I hate when people create a new
>> vocabulary to be learned for appropriate use. I made MY
>> vocabulary and the rest of the world should learn it. Adolf
>> H*tler. * Then again I like your 'plain English' of Latin
>> words, grammar and mythology. * We l

Re: The Meaning of Life

2007-03-23 Thread Stathis Papaioannou
This study recent published in Nature suggests not only a neural basis for
morality, but a specific neural basis for a specific kind of morality:

http://www.nature.com/nature/journal/vaop/ncurrent/abs/nature05631.html

http://www.nytimes.com/2007/03/22/science/22brain.html?_r=1&ref=science&oref=slogin

Stathis Papaioannou

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