Rex Allen wrote:
> On Sat, Dec 5, 2009 at 5:22 PM, Brent Meeker <meeke...@dslextreme.com> wrote:
>> Rex Allen wrote:
>>> On Fri, Dec 4, 2009 at 10:35 PM, Brent Meeker <meeke...@dslextreme.com>
>>>> Rex Allen wrote:
>>>>> What is your alternative to the "everything" universal acid? That
>>>>> things just are the way they are (uniquely), and there's ultimately no
>>>>> explanation for that. Right?
>>>> Exactly so. "It's just happened that way" and "Everything happens and
>>>> so this happens too." are both equally useless. Progress is only made
>>>> when we can explain why this rather than that.
>>> So, we have our observations, and we want to explain them, so we need
>>> some context to place them in. So we postulate the existence of an
>>> external universe. But then we want to explain what we see in this
>>> external universe, and the only option is to postulate the existence
>>> of a multiverse.
>>> Nothing can be explained in terms of only itself. To explain it, you
>>> have to place it in the context of something larger. Otherwise, no
>>> explanation is possible, you just have to say, "this is the way it is
>>> because that's the way it is."
>>> Basically there's only two way the process can end. Two possible
>>> answers to the question of "Why is the universe this way instead of
>>> some other way?":
>>> 1) Because things just are the way they are, and there's no further
>>> explanation possible.
>>> 2) Because EVERYTHING happens, and so this was inevitable in that
>>> larger context of "everything".
>>> What other option is there, do you think?
>> Look at what we actually take to be explanations. For example,
>> inflation is taken to be an explanation for the homogeneity of the CMB,
>> for the flatness of space, for the absence of magnetic monopoles. Why?
>> First, because it replaces these seemingly disparate observed facts with
>> a single theory that is consistent with our other theories. Second, and
>> more importantly, it predicted higher order correlations in the CMB
>> which were then observed. So we are still faced with explaining the
>> inflation; which some people might explain as, "That's just the way it
>> is." and others might explain,"Out of all possible universes some must
>> inflate", but neither of those predicts anything or leads to any
>> experiment. A real explanation would be one describing an inflaton
>> field and predicting its experimental manifestation.
>> So the option is don't adopt non-explanations and simply admit that
>> there are things we don't know and that's why we do research. Theories
>> need to be consilient and specific and testable and predict something we
>> didn't already know, but turns out to be true. That's the gold standard.
>> So I agree that in some sense the two options you present above seem to
>> be the only possible ultimate statements, sort of like the schoolmen
>> who "proved" that "God did it" was the ultimate answer everything. But,
>> I don't think ultimate statements are worth much because they are like
>> junk food explanations - no nutritional value.
> Well, I would say that your "explanations" provide the illusion of
> nutritional value, but in fact are also junk food.
> It seems to me that your example isn't an explanation, but a narrative
> that just describes a plausible scenario consistent with what we
> observe. The difference between explanation and description is maybe
> a subtle difference, but it seems like an important one when thinking
> about metaphysics and ontology.
> I think there is a problem when you try to find a place for yourself
> inside your own narrative. When you try to explain your experience of
> observing, in addition to WHAT you observe.
> Assuming physicalism and barring downwards causation, *within that
> framework* what does it mean to claim that you understand something,
> that you have explained something, or that you have predicted
> Within the framework of bottom-up physicalism, what does it even mean
> to say that you "exist"...since you are (apparently) not a fundamental
> entity and so don't appear on any inventory of the contents of such a
> universe. Electrons: check. Quarks: check. Brent Meekers: Nope,
> none of those...only electrons and quarks (and other fundamental
> But even if you exist within such a system, and are fully accounted
> for by the system, then your experiences are a kind of "epiphenomenal
> residue" of the fundamental processes of the system. You don't have a
> handle on the universe...the universe has a handle on you. You are
> run through your paces by your constituent molecules, experiencing
> whatever their configuration entails in each given moment. But why
> would this experience necessarily be of what actually exists?
> Returning to the earlier point, what are observations? How are they
> accounted for in a physicalist ontology? Why do some configurations of
> matter and energy have "conscious subjective experiences", when there
> is nothing in our conception of matter, energy, OR configurations
> which would lead one to conclude (before the fact) that by arranging
> them in particular ways one could create experiences of (for instance)
> You can say that "subjective experiences", i.e., qualia, are an
> emergent property of certain physical systems, but "emergent
> properties" are not real properties...emergent properties exist only
> in the mind of an observer. An observer is required to map emergent
> properties onto the *real* fundamental entities and their fundamental
> causal relationships.
> You could say that qualia are "illusory", but in that case my question
> would be what kind of illusion are you claiming that consciousness is?
> What, precisely, are you proposing? It's easy to say "consciousness
> is an illusion", but I think you'll have a harder time unpacking that
> into something meaningful.
> It seems to me that illusions are revealed by inter-comparing many
> observations of the way thing seem, detecting inconsistencies, and
> then judging which observation is more consistent with what we have
> inferred from previous observations.
> For instance, in the case of the "moon illusion", by comparing your
> observation of the distant moon to something like a dime that you can
> hold at arm's length, you are able to determine that the image of the
> moon does not in fact change sizes from the horizon to the zenith,
> despite your persistent impression that it is larger at the horizon.
> The dime provides a reliable and accessible standard to judge the moon
> Illusions deal in inconsistencies in the way that things seem to us.
> But this "seeming" of things is itself an aspect of consciousness.
> Illusions are basically manifestations of consciousness. You can't be
> deluded without being conscious.
And you can't have an inconsistency unless you have a theory to compare
to this with that.
> It's possible that everything we observe is an illusion. But I don't
> believe that it's possible, or even reasonable to propose, that our
> experience of observing is an illusion. Instead the experience of
> observing is the stuff that illusions are made from.
> In other words, as Bruno has said, an illusion of consciousness would
> require consciousness.
> Okay, try to follow me here: to say that your consciousness is an
> illusion is to say that it seems to you that the way things seem to
> you is inconsistent with what you have inferred from the way that
> OTHER things have seemed to you in the past.
> So, again, at the end of the day all we have is our observations, our
> experiences...how things "seem" to us. I may not exist, but the
> experience of being me definitely does. To deny that denies
> everything else as well.
> I think that a physicalist framework is a useful way to think about
> our observations...it's a good tool, but physicalism goes to far in
> making ontological claims.
You seem to be reading a lot into my post. I never said that
consciousness is an illusion. In fact I didn't say anything about
consciousness at all. My post was about what makes an explanation a good
one and that being "ultimate" is historically not one of them.
I was merely pointing out that things we think of as good examples of
explanation have certain characteristics which everythingist
explanations lack. To be sure the good examples are "just"
descriptions. Newton's law of universal gravitation is "just" a
description. When asked what produced the gravitational force Newton
said, "Hypotheses non fingo". He could have said, "All possible fields
exist and gravity is one of them." but that wouldn't have added
anything. That's sort of what differentiated science from the
rationalist natural philosophy of the medieval schoolmen. Science
stopped relying on untestable ultimate explanations and concentrated on
generalized mathematical descriptions that implied predictions that
could be tested.
Science, physical or otherwise, doesn't make ontological *claims*; it
hypothesizes models which include ontologies and dynamics. You
complain that it doesn't explain consciousness. I agree that it
doesn't. It doesn't explain a lot of things, e.g. why there are eight
planets in our solar system, why DNA is right-handed, what is dark
matter? I can live with unanswered questions.
"I'd rather know some of the questions than all of the answers."
-- Albert Einstein
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