spetey wrote:Oh, "semantic" information theory--you mean like Dretske, or Fodor? That's not what their theories are normally called, but I'm happy to discuss that attempt to naturalize intentionality if you like. Until now, you were talking about
measures of information, its relation to informational
entropy and randomness, and such. These are topics squarely in standard
information theory, and that's what led me to believe you were referring to the theory of channel capacity and the like.
I'm specifically talking of semantic information theory since I'm focused on the issue of meaning. Statistical information theory does not get into a definition of meaning and knowledge as it is applied to IT. However, that doesn't mean that cybernetics, information systems, statistical and algorithmic information theory do not have something to contribute to these issues. The groups tend to work in isolation, but from what I've read there is great interest in trying to bridge the gaps that separate these groups. So, specifically I'm talking semantic IT, but if I see concepts better stated using a different branch of IT, I will mention it. For your relief, I'll try to be more specific when I make those crossovers.
Spetey wrote:notice that my point does not concede that the there is no meaning to life. It merely states that you have failed to establish a conditional that you seem to want. This in itself says nothing about my position.
Spetey, why should I have to establish that there is God in the universe when I already did that in our other thread that you've been too busy to post responses?
Spetey wrote:Actually, as
my first post to this thread makes clear, I think there
is a great deal of meaning to life. I think there is no God
and I think life is meaningful.
What kind of meaning? Are you saying the universe is inherently meaningful, or are you saying that atheists are able to subjectively create their own meaning. For example, Karl Rove probably thinks it is meaningful to keep Democrats out of office anyway possible, do you think Karl Rove could be mistaken or do you think the whole issue of meaning in this context is so subjective that you can't even compare notes between what Hitler would have found meaningful and what the United Way charity organization finds meaningful?
Spetey wrote:I want to know why. It seems to me that helping other people, proving theorems, painting a painting--all these are deeply meaningful activities whether or not some deity is watching.
Subjectivism type of meaning? Relativism type of meaning? Objective type of meaning?
Spetey wrote:Yes. Again, standard information theory (and "semantic" information theory, whatever you mean by that) presumes a notion of communication and information, of course (the former gives engineering details; the latter, if you mean informational semantics, tries to explain this commonsense notion). Do you see how that doesn't mean information theory ("semantic" or not) proves that only with God do we have meaning? Compare the case of a formal theory of money supply. This theory presumes the existence of money. It does not prove that there is money, much less that money couldn't exist without God. Similarly, the theories of information you invoke don't prove there is information (though of course I think there is), and they certainly don't prove that there's no information without God!
Let me ask you this. If there were in principle no intent to any transmitted signal, would you consider there to be information in the universe? Under what circumstances do you think there is information? My view is that information only exists if there is a sender of some sort that
intends for there to be a message. What is your view? Perhaps the message is misrouted or the radio waves disperse into space and are picked up by listening ears; that would all be considered information even if the audience was not the one that was intended.
spetey wrote:I'm not sure what it even means for the universe itself to have meaning. If you mean a "measure of information" as in information theory, then I guess the universe does carry information for us--maximal iff it was totally random which universe came about.
So, if you think information does not need senders or receivers having some kind of intent, then please define to me what you consider to be information and, then, in that case, what do you mean by meaning?
Spetey wrote:If by "the universe having a meaning" you mean it has a purpose or intent (quite different from information theory)
I'm not suggesting that information theory is a theology. My argument is that meaning of a message implies a level of intent on the part of the sender. If there is no level of intent, then there is no meaning. (I realize you do not like me to clarify my position, but I think it is important that we can draw differences on where we stand on each question before we argue about this complex issue.)
Spetey wrote:my point above was to show that the universe could have a purpose or intent without any God (though I am not committed to this one way or another; it's merely a consistent atheist position).
How can the universe have a purpose or intent without a God? Intent is the basis of pantheism which believes in the existence of God. It's very dissatisfying that we still do not agree on the boundary condition of what God is and what God is not after we have debated on a regular basis for 8 months now. Do you make any allowance for pantheism in your belief system or do you just assume this is part of atheism?
Spetey wrote:harvey1 wrote:The study of semantic information theory does not lend itself to such formulas since meaning is a human concept that is not well-defined (it has biological, semantic, evolutionary, etc. connotations).
Here again you mean something other than "
information theory" as standardly used. For real information theory does indeed have formulas, as you can see by clicking on that link.
Yes, statistical information theory yields a number of theorems. However, this doesn't mean that semantic information theory is not "real." It was introduced by Bar-Hillel, Carnap, and Popper as a philosophical theory, however a number of researchers in IT haven't shun it for that reason.
Spetey wrote:I think our lives have a great deal of meaning. Maybe I would agree that the "universe itself" doesn't have meaning. I would have to have the phrase clarified first; but at any rate it's irrelevant to this topic.
How can the universe not have meaning and life have meaning? Where does meaning originate then? Is meaning a mind-independent? If not, then whose mind establishes what is meaningful?
spetey wrote:Good! Here you do not merely state your position, or obviously beg the question. This is the closest I've seen to an argument for your position.
I'm surprised you would say that since I've been mentioning this argument throughout our debates.
Spetey wrote:My claim is that our human (for example) lives can be meaningful even if there is no God. For the purposes of this point it seems I can be agnostic about whether the "universe itself" has meaning.
But why do you think that human lives can have meaning if there wasn't inherent meaning to the world? Do you think a random pattern can actually have a pattern even though it is random? Is the
Face on Mars an actual face? Is that rock formation any more meaningful than any other rock formation in the real sense? Should astrophysicists be spending precious hours trying to understand how the face formed? Should philosophers be spending hours trying to understand the significance of it? I think not. So, why consider the meaning as objective versus purely subjective?
Spetey wrote:Even if we (for some reason) did need the notion of the universe itself having meaning, it is not at all obvious that this is the same thing as having an intent. Perhaps it's enough for the universe to have meaning if some parts (such as we humans) have meaning.
If you don't have intent then what becomes of meaning? If meaning is entirely subjective, then why do you abhor an entirely subjective theory of truth but require an entirely subjective theory of meaning in the universe to be treated as being real?
Spetey wrote:Even if (for some reason) we were convinced that meaning to the universe means an intent for the entire universe, I have argued that the universe could have a purpose (like intent?) via the design provided by universe-scale natural selection, without any intelligent designer.
How do you define intent? I define intent is a having some goal in mind. How can a blind, natural-selective process have a goal? It is just acting in response to an event acting upon it. It has no more intent toward design than the natural selection
process intended to bring humans onto the planet.
Spetey wrote:Even if (for some reason) a genuine purpose / goal is not enough for "intent", you have yet to show that the existence of a God is required for this intent. Perhaps merely human intent is sufficient to make intent for the universe!
For the universe to possess objective meaning it must contain a meaningful message that was intensionally encoded. This message must pre-date humans since if the universe did not have a message encoded in its structure, then prior to humans there was no meaning. If there was no meaning, then how does meaning arise for the universe if it originally had no meaning?