Re: truth

2012-06-28 Thread Bruno Marchal


Dear John,


Dear Bruno, think about it as absolute truth:
Isn't 1+1 not 2, but 11?




If  11 is a notation for 2, then it is the *same*  absolute truth,  
just written with non standard notation.


If 11 denotes eleven (1*10 + 1), as it usually does, then it is an  
absolute falsity, which contradicts directly what we have already  
agree on since a long time, notably the law of addition:


x + 0 = x
x + successor(y) = successor(x+y)

OK?

Bruno







On Mon, Jun 25, 2012 at 10:01 AM, Bruno Marchal marc...@ulb.ac.be  
wrote:

Hello John,

On 24 Jun 2012, at 21:43, John Mikes wrote:


Bruno:

Doesn't it emerge in this respect WHAT truth? or rather
WHOSE truth? is there an accepted authority to verify an  
absolute truth judgeable from a different belief system?


I don't think such authority exists. We can only agree on  
hypotheses, about such truth, concerning some domain of investigation.


We can also agree on the existence or non existence of facts  
confirming some truth concerning some reality.


But we can bet such truth exists, even if we cannot believe it or  
know it for sure.


Examples:

- Few people doubt that 1+1=2 is an absolute truth, when 1 and 2  
are used as the usual name for the standard natural numbers, and +  
represents the standard addition operation. Likewise for the whole  
elementary (first order) arithmetic.


- We usually don't doubt the mundane informations. So, 'Obama is the  
actual president of the US' can reasonably be assumed as absolute. I  
mean, with actual, that Obama is the actual president of the US  
in our reality is the absolute truth. Not the proposition Obama is  
the actual president of the US which might be false in the universe  
next door.


Most theoretical truth are absolute, thanks to their conditional  
shapes. For example the existence of parallel universes in the  
theoretical framework of QM-without-collapse is absolute, accepting  
some reasonable definition of what is a universe (a set of events  
closed for interaction, for example). This is absolute as it is a  
theorem in QM-without-collapse (or of comp). Of course the  
proposition parallel universes exist is not absolute at all.


Bruno


On Sat, Jun 23, 2012 at 4:50 AM, Bruno Marchal marc...@ulb.ac.be  
wrote:


On 23 Jun 2012, at 09:47, Evgenii Rudnyi wrote:

On 22.06.2012 08:03 Stephen P. King said the following:
On 6/22/2012 1:50 AM, Brian Tenneson wrote:
I have many questions.

One is what if truth were malleable? --
HI Brian,

If it was malleable, how would we detect the modifications? If our
standards of truth varied, how could we tell? This reminds me of
the debate between Leibniz and Newton regarding the notion of
absolute space.


If one assumes the correspondence theory of truth, then the  
question would be if a reality were malleable.




Right. Which leads to the question; what does Brian mean by truth  
is malleable?


Would this entail that arithmetical truth is malleable? What would  
it mean that the truth of 17 is prime is malleable. It looks like  
we need a more solid truth than arithmetic in which we can make  
sense of the malleability of the truth in arithmetic, but I cannot  
see anything more solid than elementary arithmetic.


Some truth can be malleable in some operational sense, but this  
will be only metaphorical. For example the truth that cannabis is  
far more safe than alcohol, appears to be quite malleable, but this  
is just because special interest exploits the lack of education in  
logic. People driven by power are used to mistreat truth, but it is  
just errors or lies. I guess Brian's question is more metaphysical,  
but then in which non malleable context can we make sense of  
metaphysically malleable truth? Perhaps Brian should elaborate on  
what he means by truth is malleable? It seems to me that such an  
idea is similar to complete relativism, which defeats itself by not  
allowing that very idea to be relativized.



Bruno


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




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Re: Autonomy?

2012-06-28 Thread John Clark
On Wed, Jun 27, 2012  Bruno Marchal marc...@ulb.ac.be wrote:

 comp allows self-duplication. That is the key point.


OK.

 If you really had complete information then you could make 2
 predictions: 1) I Bruno Marchal will write in my diary I Bruno Marchal am
 now in Washington and only Washington .2) I Bruno Marchal will write in my
 diary I Bruno Marchal am now in Moscow and only Moscow.


  That's better. But still ignore the first/third person distinction.


I don't know what you're talking about. John K Clark, a third party outside
observer who also has complete information about the proceedings, makes the
exact same predictions that Bruno Marchal, the first person, does about
what he will write in his diary. And events will prove that both are
correct.

 Both predictions will turn out to be 100% correct;


  Not from the first person point of view,


I don't know what you're talking about. The first person or second person
or third person or the 99'th person can all be shown the entries from both
diaries proving that the predictions made by Bruno Marchal and John K Clark
were indeed 100% correct about what Bruno Marchal will write.

 the question was bearing on I, not BrunoMarchal, which refers to a
 third person description. [...] You don't need to define it [I] to get the
 point that the proba on the localisation on the future sense of self is 1/2.


So you can't define I or even give a example of I that remains true for
more than a second, and you believe as I do that you are free to add
subtract multiply and divide I by any arbitrary integer; and yet you
still think assigning a probability to such a vague constantly shifting
uncountable specter means something so concrete you can give it a
probability that means something. I don't.

You say the probability of something to do with the non-defined ephemeral
thing called I is 1/2, but to me the meaning would be just as great (or
as little) if you had assigned a negative probability to it of -1/2, or a
imaginary probability of 1/2i; I have no idea what to do with any of these
probability figures including yours of 1/2, I don't see how I could make
use of any of them in any way.

 You ignore again the 1-3 distinction that I made precise.


I don't know what you're talking about. You admit you can't define I and
so although both the Washington and Moscow man use the word I without
hesitation when referring to themselves you can't know if one or both or
neither really deserves to have that title, and yet you still assign a
probability of 1/2 to something that is supposed to have something to do
with I, although it's unclear exactly what. That sure does not sound very
precise to me!

John K Clark

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Re: Autonomy?

2012-06-28 Thread John Clark
On Wed, Jun 27, 2012  meekerdb meeke...@verizon.net wrote:

 I think the claim that, It's either determined or random. is
 misleading. Thoughts and actions may be determined in the sense of
 constrained to a fairly narrow probability distribution, and yet random.


it is a deterministic certainty that a coin flip will never turn into an
ostrich and will always produce a heads or a tails, but if it came up tails
it did so for a reason or it did not do so for a reason. And you may have
inherited the risk taking gene so it is determined that you like to take
dangerous adventurous vacations; there is a reason you have that
personality trait, but you may have picked climbing Mt. Everest rather than
the Matterhorn for no reason at all, it was random. But what does the free
will noise have to do with any of this?

  John K Clark

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Re: Autonomy?

2012-06-28 Thread meekerdb

On 6/28/2012 9:31 AM, John Clark wrote:

On Wed, Jun 27, 2012  meekerdb meeke...@verizon.net 
mailto:meeke...@verizon.net wrote:

 I think the claim that, It's either determined or random. is misleading.
Thoughts and actions may be determined in the sense of constrained to a 
fairly
narrow probability distribution, and yet random.


it is a deterministic certainty that a coin flip will never turn into an ostrich and 
will always produce a heads or a tails, but if it came up tails it did so for a reason 
or it did not do so for a reason. And you may have inherited the risk taking gene so it 
is determined that you like to take dangerous adventurous vacations; there is a reason 
you have that personality trait, but you may have picked climbing Mt. Everest rather 
than the Matterhorn for no reason at all, it was random. But what does the free will 
noise have to do with any of this?


I explains why people think, I could have done otherwise.  They could, due to random 
events in their brain/environment, but causal efficacy of those random events (e.g. 
choosing Everest vs Matterhorn) is narrowly constrained by who they are.  So even though 
their choice is 'random' it still may satisfy the social/legal concept of their 
responsibility.


Brent

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Re: truth

2012-06-28 Thread John Mikes
Brent:
I am the 3rd kind of the two: think not in binary, just in plain peasant
logic, when 1 and 1 make 11, nothing more.
So Bruno's absolute truth may have even more relatives.
John

On Wed, Jun 27, 2012 at 5:36 PM, meekerdb meeke...@verizon.net wrote:

  On 6/27/2012 2:26 PM, John Mikes wrote:

 Dear Bruno, think about it as absolute truth:
 Isn't 1+1 not 2, but 11?
 Respectfully John


 Naah!  It's 10.

 Brent
 There are 10 kinds of people; those who think in binary and those who
 don't.

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Re: truth

2012-06-28 Thread Brian Tenneson
What I was wondering, and I know this is ill-formed, is if in different
parallels, different things are absolutely true. Things like 2+2=17.  It
may be completely impractical to imagine such parallels since there is
presumably zero overlap and no means of travel to there.  The basic
premise is that an omnipotent being has the ability to fool computers into
thinking various things are true.

On Thu, Jun 28, 2012 at 12:46 PM, John Mikes jami...@gmail.com wrote:

 Brent:
 I am the 3rd kind of the two: think not in binary, just in plain peasant
 logic, when 1 and 1 make 11, nothing more.
 So Bruno's absolute truth may have even more relatives.
 John

 On Wed, Jun 27, 2012 at 5:36 PM, meekerdb meeke...@verizon.net wrote:

  On 6/27/2012 2:26 PM, John Mikes wrote:

 Dear Bruno, think about it as absolute truth:
 Isn't 1+1 not 2, but 11?
 Respectfully John


 Naah!  It's 10.

 Brent
 There are 10 kinds of people; those who think in binary and those who
 don't.

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Re: truth

2012-06-28 Thread meekerdb

On 6/28/2012 12:46 PM, John Mikes wrote:

Brent:
I am the 3rd kind of the two: think not in binary, just in plain peasant logic, when 1 
and 1 make 11, nothing more.

So Bruno's absolute truth may have even more relatives.
John


Or less facetiously,  (The father of Kirsten)+(The father of Gennifer)=(One, me)  and  
(one raindrop)+(one raindrop)=(one raindrop).  So whether successor(x)=(x+1) depends on 
the applicability of arithmetic to your model.


Brent

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Re: truth

2012-06-28 Thread meekerdb

On 6/28/2012 1:06 PM, Brian Tenneson wrote:
What I was wondering, and I know this is ill-formed, is if in different parallels, 
different things are absolutely true. Things like 2+2=17.  It may be completely 
impractical to imagine such parallels since there is presumably zero overlap and no 
means of travel to there.  The basic premise is that an omnipotent being has the 
ability to fool computers into thinking various things are true.


It doesn't take an omnipotent being to do that - unless you think Rush Limbaugh 
is omnipotent.

Brent

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Re: truth

2012-06-28 Thread Brian Tenneson
What I meant is an omnipotent being being able to manipulate what is
actually, absolutely true (so in a parallel 2+2 might actually be 17).  Not
manipulate the perception of truth.

On Thu, Jun 28, 2012 at 1:11 PM, meekerdb meeke...@verizon.net wrote:

  On 6/28/2012 1:06 PM, Brian Tenneson wrote:

 What I was wondering, and I know this is ill-formed, is if in different
 parallels, different things are absolutely true. Things like 2+2=17.  It
 may be completely impractical to imagine such parallels since there is
 presumably zero overlap and no means of travel to there.  The basic
 premise is that an omnipotent being has the ability to fool computers into
 thinking various things are true.


 It doesn't take an omnipotent being to do that - unless you think Rush
 Limbaugh is omnipotent.

 Brent

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