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Author | Topic: Evolution of complexity/information | |||||||||||||||||||||||||||||||
Hangdawg13 Member (Idle past 779 days) Posts: 1189 From: Texas Joined: |
Complexity is the combination of distinction (variety) and connection (dependency) in spatial, temporal and scale dimensions. Evolutionary variation produces spatial differentation of systems, and selection on the basis of (relative) fitness, which produces structural integration by creating more and stronger linkages between different systems. Sounds like a good definition to me.
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Saviourmachine Member (Idle past 3582 days) Posts: 113 From: Holland Joined: |
NosyNed writes:
I think almost everybody would agree with this.
I think this means that when calculating the "complexity" of a bacteria and an aardvark the aardvark should work out as being more complex. However, it gets very difficult to find a definition which works. After that there isn't any definition that turns out to be useful. It is not good talking about increases and decreases in something that you can't quantify. That is something I do abhor. The lack of precision in the discussion of the topic.
I know you want to quantify and not only qualify. But I don't think it will do the evolution thing any good when saying that it can not account for an increase of 'information' or 'complexity', because everybody (with gut feelings) thinks that this will be necessary to account for not being uni-cellular anymore.
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Hangdawg13 Member (Idle past 779 days) Posts: 1189 From: Texas Joined: |
I've read a bit on definitions of complexity. One challenge is to get a definition with a clear definition that also matches up with our intuition about what we are measureing. I think this means that when calculating the "complexity" of a bacteria and an aardvark the aardvark should work out as being more complex. However, it gets very difficult to find a definition which works. The fact that evolutionists lack the ability to measure increase in complexity tells me that they simply don't want to. The truth is that a human IS WAYYY more complex than a cup of primordial soup (I've already explained why: more features tied together by increase in functionality). If evolutionists deny this, then they've got bigger problems. To say that evolution does not require an increase in complexity is dumb. So since it obviously requires an increase in complexity, we should be able to determine if and how much this happens in the variations we see today and in the variations in the fossil record. This seems like good science to me. Why haven't evolutionists pursued this?
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Asgara Member (Idle past 2330 days) Posts: 1783 From: Wisconsin, USA Joined: |
You are turning an observation into a requirement.
Asgara "Embrace the pain, spank your inner moppet, whatever....but get over it" http://asgarasworld.bravepages.comhttp://perditionsgate.bravepages.com
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Saviourmachine Member (Idle past 3582 days) Posts: 113 From: Holland Joined: |
I tried to discover why so many biologists don't want to talk about 'complexity', 'increasing complexity' or even 'information'. Therefore I writed down three assumptions. It seems that several were quite correct in your particular case. I post it because it illustrates for others why definitions of 'information' or 'complexity' are not good enough for some persons on this forum.
Arachnophilia writes:
So, that's a binary definition of complexity? If there is any component that can be subtracted then it's complex, and else it isn't? yes, using behe's defintion, that if any component is subtracted, the overall function of the system fails. By the way, the definition seems a little bit odd to me for to reasons:
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NosyNed Member Posts: 9004 From: Canada Joined: |
How the heck do I calculate the amount of complexity one thing has and compare it to another? If I can't do that I can't talk about it increasing or decreasing.
This is just a bunch of words that are themselves not defined in this context. As best as I can tell it is clear that evolutionary processes can both increase and decrease this thing called "complexity" but I'm not at all sure because I can't really tell what it is from this.
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NosyNed Member Posts: 9004 From: Canada Joined: |
I know you want to quantify and not only qualify. But I don't think it will do the evolution thing any good when saying that it can not account for an increase of 'information' or 'complexity', because everybody (with gut feelings) thinks that this will be necessary to account for not being uni-cellular anymore. I don't understand your point here. Gut feelings say that a uni-cellular life form is less complex than a multi. I think we would like a quantitative definition that produces this result. When someone supplies the definition we can then say whether evolutionary processes can produce more or less of it. In the meantime any such statments are meaningless. 'Sides unicellular to multi isn't that big a deal from an evolutionary perspective. Why is it tossed in here?
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NosyNed Member Posts: 9004 From: Canada Joined: |
The fact that evolutionists lack the ability to measure increase in complexity tells me that they simply don't want to. You say that evolution can not increase something that you call "complexity". Until you define how to quantify the amount of"complexity" increase you are talking about you have made a statement with no meaning. You lack the ability to measure it. You say it can't increase. You have no foundation for that since you can't measure it. The truth is that a human IS WAYYY more complex than a cup of primordial soup (I've already explained why: more features tied together by increase in functionality). If evolutionists deny this, then they've got bigger problems. To say that evolution does not require an increase in complexity is dumb. I have never said it doesn't supply (some times) an increase in complexity. But this increase is simply a gut feel and not measured any more than your's is. However evolution does not require an increase. It may or may not result in it. Now please tell me how much more complex a human is than a dog. I would like to know if it falls in one of these ranges:1) under 10 times more complex 2) over 10 and under 100 times 3) over 100 and under 1,000 times 4) over 1,000 times Show how you determined this.
So since it obviously requires an increase in complexity, we should be able to determine if and how much this happens in the variations we see today and in the variations in the fossil record. This seems like good science to me. Why haven't evolutionists pursued this? I have no idea what you are saying here. What is there to pursue exactly? Once you define a change in complexity that I can use to calculate complexity in an unambiguous fashion I will show you variations that both increase and decrease it. This message has been edited by NosyNed, 07-12-2004 01:39 PM
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Saviourmachine Member (Idle past 3582 days) Posts: 113 From: Holland Joined: |
How to convince someone
What would help to convince somebody of the power of the evolution process in increasing complexity, are papers like that of Tom Schneider here. He's using Shannon's measure of information to observe information gain in artificial proteins. Someone wouldn't be convinced if evos keep saying that 'information' and 'complexity' are to difficult to define. {doesn't need reply}
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Loudmouth Inactive Member |
quote: No one, including creationists, have been able to define an objective measurement of complexity within biological organisms. For all intents and purposes, the only difference between a bacterial cell and a human being is the number of genes. There is nothing more complex about human DNA sequences than bacterial DNA sequences. DNA proscribes, either directly or indirectly, the function of proteins. Proteins then construct the cell. This process is the same between bacteria and humans, nothing more complex about one than the other besides the number of proteins doing the building. Hence, more proteins means more things that are built. It is like saying a subdivision is more complex than a single house. This really misses the point that nothing substantially different is happening when you add more houses.
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NosyNed Member Posts: 9004 From: Canada Joined: |
Someone wouldn't be convinced if evos keep saying that 'information' and 'complexity' are to difficult to define. I'm happy with defining information as Shannon information. I haven't seen a good quantifiable definition of "complexity" yet. If someone wants to equate that with Shannon information that would be ok with me. However, it doesn't supply a very good "gut feel" type result. Maybe there is someone who can give a good definition of "complexity". Since it is the anti-evolution crowd that make statements about "complexity" and how it can or can not increase I am waiting for them to define what the heck they mean when they use the word. "Obviously" doesn't cut it. Comparing extremes doesn't cut it. I don't want a definition based on a "gut feel" idea that a man is more complex than a microbe. I want a definition that can tell me if my cat is more complex than the neighbors dog and if so by how much. Since the evolutionary processes do not make "complexity" jumps from creatures that are very far apart on anyone's complexity scale they definition has to pick between complexities that are very close. So my question becomes separating my cat and the dog. Not humans and bugs.
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jar Member (Idle past 422 days) Posts: 34026 From: Texas!! Joined: |
I often hear that Humans are more intellegent than the Gorilla.
But one:
I have a feeling that just maybe, when they were handing out intellegence, the Gorillas and Humans flipped a coin. We lost. Aslan is not a Tame Lion
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arachnophilia Member (Idle past 1371 days) Posts: 9069 From: god's waiting room Joined: |
I tried to discover why so many biologists don't want to talk about 'complexity', 'increasing complexity' or even 'information'. because they're biologists. try talking to geneticists, i'm sure they'll tell you all about information and genes.
So, that's a binary definition of complexity? If there is any component that can be subtracted then it's complex, and else it isn't? don't look at me, i didn't make it up.
it's sometimes possible to perform another function when subtracting a component actually, this is the case all the time. when cornered in debate, behe makes it very clear that just the overall function which he has designated fails. very often subsystems work just fine independently. (even though behe insists he's not dealing with things with subsystems early in his book. basically, he's full of crap)
maybe it's necessary to add first a component before subtracting others (tower of Hanoi idea) and vice versa. evolution does funny things.
So, I would like it if you can define complexity for this rather simple 'complex' systems. hey, you brought it up. i wasn't saying your definition was WRONG. i was asking for elaboration and examples.
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arachnophilia Member (Idle past 1371 days) Posts: 9069 From: god's waiting room Joined: |
I'm no biologist, but I'll take a stab at this. A human has more brain matter that functions better together than brains of other animals. This is evident by humans ability to talk, do math, think beyond instincts, and do other things. i'd argue that abstract thought is more important to this point. i've seen some dolphins do some very intelligent things, and we know chimps can use language.
Now if you put a human brain in... an Ardvaark, it wouldn't be very useful to it. The Ardvaark doesn't have the vocal cords to talk or sing or whatnot, it doesn't have the hands to manipulate materials and create things like a man does. irrelevant. these systems do not develop independently.
A man seems to have several qualities such as bipedal stance, hands, vocal cords for speech, forward facing eyes, etc... that all work together with his far surpassing brain design that put him above the animals. lots of animals have hands, vocal chords, and forward facing eyes. not alot of animals today are bipeds though (although lots of dinosaurs were).
Exactly the point. There can be no more obvious an intimate relationship between us and God than his creation of us. that's good. science studies god's creation. the problem arises in the fact that creationism does not, favouring man's bible instead.
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arachnophilia Member (Idle past 1371 days) Posts: 9069 From: god's waiting room Joined: |
hahahaha, is there a post of the month thread yet?
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