On 20 Dec 2012, at 17:40, Roger Clough wrote:
Hi Bruno Marchal
This is just an intuition. IMHO
conventional physics and math applies to this bifurcated world,
where every action produces a reaction, the world is
objective/subjective, magnetic monopoles are impossible,
etc.,etc.
I am not sure this explains anything.
This also shows up in quantum physics, where a bit can be
both 1 and 0 and the same time.
But not in the same universe.
Not in the same sheaf of computations (with comp).
Here we obviously
have the concidence of opposites, but since it is
clearly mathematical/logical, perhaps there is some
coincidence of opposites math or logic that can explain
such weirdness.
For a realist, and truth believer, "weirdness" is just a sign that we
miss something, or that we are still not familiar with some new idea.
With comp F=ma is far more weird than all QM weirdness, which are
rather easy to explain, as we belong to infinities of overlapping and
competing computations.
Maybe it's just that double roots appear in many of
the equations. But often if this happens, one root cannot exist
in this world as we know it, so no dilemma.
OK.
Bruno
[Roger Clough], [rclo...@verizon.net]
12/20/2012
"Forever is a long time, especially near the end." -Woody Allen
----- Receiving the following content -----
From: Bruno Marchal
Receiver: everything-list
Time: 2012-12-19, 14:59:12
Subject: Re: On the need for perspective and relations in modelling
the mind
On 18 Dec 2012, at 15:55, Roger Clough wrote:
Hi Bruno Marchal
It would be interesting to see which logical statements apply
to the monadic=quantum domain, which is beyond space and time.
Part of Quantum Information theory.
It is intresting of course and QM is a jewel, but you have quick in
making identfication. QM should be how the digital is seen by the
digital entities, and must be derived and not assume if you want the
correct quanta-qualia relation.
Bruno
[Roger Clough], [rclo...@verizon.net]
12/18/2012
"Forever is a long time, especially near the end." -Woody Allen
----- Receiving the following content -----
From: Bruno Marchal
Receiver: everything-list
Time: 2012-12-16, 10:14:38
Subject: Re: On the need for perspective and relations in modelling
the mind
On 16 Dec 2012, at 14:49, Roger Clough wrote:
Hi Bruno Marchal
Pardon my ignorance, but what is Dt ?
Consistency of 0 = 0, or simply self-consistency. It is the modal
Diamond in the modal logic of provability). It is the same as ~Bf
(not provable false). D is the same as ~B ~ (like it exists is
the same as ~Forall ~)
In most modal logic, we have the "Aristotelian square", with B =
necessary, and D= ~B~= possible.
Bp ~Bp
B~p ~B~p
In the alethic (Leibnizian) mode: Bp = necessary p (true in all
worlds), ~B~p = possible = true in at least one world (= not false
in any world). In most classical modal logic systems, we have that:
~Bp = D~p
~Dp = B~p
In particular ~Bf = D~f = Dt (t = "0=0", and t = ~(0=0), or
simply they are the constant propositional truth and falsity).
So the negation transforms B into D, and vice versa.
You can test this on all intuitive modality Where B and D
represents respectively:
B = obligatory and D = permitted (deontic modal logic)
B = everywhere and D = somewhere (space logic)
B = all the time and D = sometime (logic of time)
B = probability and D = consistency (logic of provability)
B = necessary and D = possibly (Alethic logic)
B = for all x, and D = it exists a x (quantifier)
All such modalities will obeys different axioms, of course.
Bruno
[Roger Clough], [rclo...@verizon.net]
12/16/2012
"Forever is a long time, especially near the end." -Woody Allen
----- Receiving the following content -----
From: Bruno Marchal
Receiver: everything-list
Time: 2012-12-16, 04:47:59
Subject: Re: On the need for perspective and relations in
modelling the mind
On 06 Dec 2012, at 18:58, Richard Ruquist wrote:
> On Thu, Dec 6, 2012 at 12:44 PM, Bruno Marchal <marc...@ulb.ac.be>
> wrote:
>>
>>
>>
>> The 1p is not left out. Eventually comp singles out eight person
>> points of
>> view. If you think comp left out the person, you miss the meaning
>> of the
>> comp hope, or the comp fear.
>>
>> Bruno
>>
>
> Why just 8? I would have expected every possible "person points pf
> view"
> consistent with MWI. Richard
There is 8 main types of points of view given by:
p
Bp
Bp & p
Bp & Dt
Bp & Dt & p
See sane04 for more detail. Bp is the arithmetical formula beweisbar
of G鰁l 1931, p is an arbitrary Sigma_1 sentences.
In fact it is 4 + 4*infinity, as you have also all B^n p + D^m t
with
n < m. This gives a graded set of quantum logics.
And they all have different "color" fro different machines, that is,
the logic of those points of view are the same for all correct
machines, but their explicit content can be completely different.
Bruno
http://iridia.ulb.ac.be/~marchal/
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