Hi Richard Ruquist 

String theory is a physical theory, yes, but it itself is not physical.


[Roger Clough], [rclo...@verizon.net]
12/26/2012 
"The one thing a woman looks for in a man is to be needed." - "Ethan Frome", by 
Edith Wharton
----- Receiving the following content ----- 
From: Richard Ruquist 
Receiver: everything-list 
Time: 2012-12-25, 15:46:47
Subject: Re: Re: Fw: the world as mathematical. was pythagoras right after all ?


But you did imply that string theory was physical. Not true.

On Tue, Dec 25, 2012 at 4:00 AM, Roger Clough <rclo...@verizon.net> wrote:
> Hi Richard Ruquist
>
> Read what I said below again. I never said that the quantum
> world is physical, quite the reverse.
>
> Not to worry, I have made similar mistakes,
> especially my inverted interpretation of the gini
> index.
>
>
> [Roger Clough], [rclo...@verizon.net]
> 12/25/2012
> "Forever is a long time, especially near the end." -Woody Allen
>
>
> ----- Receiving the following content -----
> From: Richard Ruquist
> Receiver: everything-list
> Time: 2012-12-24, 12:07:36
> Subject: Re: Fw: the world as mathematical. was pythagoras right after all ?
>
> Roger,
>
> Quantum mechanics is not physical nor is string theory.
> How the physical world comes from the quantum world is a matter of
> conjecture called interpretations.
> Richard
>
> On Mon, Dec 24, 2012 at 11:49 AM, Roger Clough <rclo...@verizon.net> wrote:
>> My idea below is no doubt off-base, but
>> suggests the following idea.
>>
>> As I understand quantum mechanics, it
>> uses only quantum (mathematical) fields,
>> so, at least as far as I can understand, the
>> physical (not the mental) universe is
>> a mathematical construction (perhaps of
>> strings in quantum form).
>>
>> [Roger Clough], [rclo...@verizon.net]
>> 12/24/2012
>> "Forever is a long time, especially near the end." -Woody Allen
>>
>> ------------------------------------------------------------
>>
>> ----- Receiving the following content -----
>> From: Roger Clough
>> Receiver: everything-list
>> Time: 2012-12-24, 09:35:00
>> Subject: Arithmetic as true constructions of a fictional leggo set
>>
>>
>> Hi Bruno Marchal
>>
>> It helps me if I can understand arithmetic as true
>> constructions of a fictional leggo set.
>>
>> From what you say, the natural numbers and + and * (nn+*).
>> are not a priori members of Platonia (if indeed that makes
>> sense anyway). They can simply be invoked and used
>> as needed, as long as they don't produce contradictions.
>> That being the case, don't you need to add =, - , and
>> / to the Leggo set ? Then we have (nn+-*/=).
>>
>> I wonder if somebody could derive string theory from this set.
>> Then we might say that the universe is an arithmetic construction.
>> Probably an absurd idea.
>>
>>
>>
>> [Roger Clough], [rclo...@verizon.net]
>> 12/24/2012
>> "Forever is a long time, especially near the end." -Woody Allen
>>
>> ----- Receiving the following content -----
>> From: Bruno Marchal
>> Receiver: everything-list
>> Time: 2012-12-23, 09:17:09
>> Subject: Re: Can the physical brain possibly store our memories ? No.
>>
>>
>>
>>
>> On 22 Dec 2012, at 17:05, Telmo Menezes wrote:
>>
>>
>>
>>
>> Hi Bruno,
>>
>> On Thu, Dec 20, 2012 at 1:01 PM, Roger Clough wrote:
>>
>>
>>
>>> The infinite set of natural numbers is not stored on anything,
>>
>>
>> Which causes no problem because there is not a infinite number of anything
>> in the observable universe, probably not even points in space.
>>
>>
>>
>> Perhaps, we don't know.
>> It causes no problem because natural numbers does not have to be stored a
>> priori. Only when universal machine want to use them.
>>
>>
>>
>>
>> Why do the natural numbers exist?
>>
>>
>>
>>
>> We cannot know that.
>>
>>
>> Precisely, if you assume the natural numbers, you can prove that you
>> cannot derived the existence of the natural number and their + and * laws,
>> in *any* theory which does not assume them, or does not assume something
>> equivalent.
>>
>>
>> That is why it is a good reason to start with them (or equivalent).
>>
>>
>> Somehow, the natural numbers, with addition and multiplication, are
>> necessarily "mysterious".
>>
>>
>> With the natural numbers and + and *, you can prove the existence of all
>> universal machines, and vice versa, if you assume any other universal system
>> (like the combinators K, S (K K), (K S), ...) you can prove the existence of
>> the natural numbers and their laws.
>>
>>
>> We have to assume at least one universal system, and I chose arithmetic
>> because it is the simpler one. The problem is that the proof of its
>> universality will be difficult, but at least it can be found in good
>> mathematical logic textbook, like Mendelson or Kleene, etc.
>>
>>
>> Bruno
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
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>>
>> http://iridia.ulb.ac.be/~marchal/
>>
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