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Old 01-17-2003, 10:13 PM   #21
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It seems that I need to clarify my position because several of the posters in this thread have obviously not actually read my initial post. I am arguing that the anthropic principle warrants agnosticism with regards to whether or not the universe is purposeful. I am not in anyway saying that it has any implications with regards to the existence of God or Gods. What it might have implications toward is whether or not a pantheistic explanation of the universe is warranted. A pantheistic universe would be a purposeful universe (at least according to one possible definition of pantheism, others might exist), but not necessarily a universe created by a God. Hopefully that will clear things up and we can avoid any more spurious posts about xians. I really don’t feel like talking about xians today.
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Old 01-17-2003, 10:27 PM   #22
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If you aren't talking about gods you can't use the word pantheism

the•ism, n {from Gr. Theos, god; and ism}
1, belief in the existence of a god or gods
2, belief in one God; monotheism: opposed to pantheism, polytheism
3, the ill effect of habitual excess in tea drinking

Tea drinking??!! Ha!, the things I don't know.

If you are talking about a universe that thinks, you are taking on quite a burden of proof
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Old 01-17-2003, 10:28 PM   #23
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Quote:
Originally posted by Clutch
faustaz, you seem to be using "Anthropic Principle" not to denote any principle, but rather some alleged fact about (as it's sometimes put) the degree to which the universe appears "fine-tuned" for life. This vagueness and confusion is not rare in the literature on the AP. But could I ask you to explain just what principle the AP is?
Gladly! I found a good definition on the internet, I’m just going to steal it.

“The anthropic cosmological principle asserts that the laws, constants and basic structure of the universe are not completely arbitrary. Instead they are contrained by the requirement that they must allow for the existence of intelligent observers, ourselves.”

--http://www.winternet.com/~gmcdavid/html_dir/anthropic.html

Does that constitute a principle? I certainly think it constitutes a fact, rather difficult to refute (can you?) but I didn’t come up with the term, so I’m not going to try to defend it. The various flavors of the AP all take at least this as a starting point, but that is all that the AP itself says. The flavors each add something to that.
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For my part, I take it that there's more than one AP, with variations by strength of interpretation. The basic idea when expressed as an actual principle, is that we explain the universe in some respect by appealing to our existence in it. Presumably in its weakest form the AP just says that, from what we know about our existence in the universe, we can infer at least some other things about the universe. This is surely true, inference being a pretty promiscuous thing. In its strongest form, the AP would say that the most basic and general properties of the universe are explicable in terms of our existence in it -- viz, that our dependence on those properties explains why the universe has them, rather than vice-versa. This is utterly without warrant.
Why is it without warrant? Physicists tell me that if I were to change the fundamental constants of the universe ever so slightly then matter could not aggregate, atoms could not form, etc. Furthermore, its seems from our observations of the universe that the parameters for generating life, not to mention conscious life, are indeed narrow. Am I certain that conscious life couldn’t arise in more than a tiny percentage of conceivable universes? No I don’t. Many cosmologists think so, but I’m not a cosmologist. I can not say that life could not arise in a universe without planets or molecules, but I also can not definitively say it could not. I find the prospect unlikely, but I am not rejecting it. Also remember, I myself gave several alternatives in my post (including the one you seem to be proposing here). Yet again I’ll say, I’m arguing for agnosticism on the subject of purposeful design. We simply don’t know enough. However, if some years from now cosmologists determine that this universe is indeed the only universe (no multiverse) and we indeed confirm what seems to be true based on extant evidence, that life requires very narrow parameters to develop, I would probably tilt my opinion strongly in favor of the purposeful universe.
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Are you sure it's anything called the Anthropic Principle that you find plausible, and not just some specific (and deeply fraught) claim about probability?
Ouch! Would you care to justify your claim that I don’t understand probability?
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Old 01-17-2003, 10:32 PM   #24
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Quote:
Originally posted by Biff the unclean
If you aren't talking about gods you can't use the word pantheism

the•ism, n {from Gr. Theos, god; and ism}
1, belief in the existence of a god or gods
2, belief in one God; monotheism: opposed to pantheism, polytheism
3, the ill effect of habitual excess in tea drinking

Tea drinking??!! Ha!, the things I don't know.

If you are talking about a universe that thinks, you are taking on quite a burden of proof
I'm not talking about a universe that thinks.

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Old 01-18-2003, 09:22 AM   #25
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Quote:
Originally posted by faustuz
Whoa! Where id all this come from? Who said the universe is “perfect” for us? And who in this thread is a “xian”? And let’s remember that the only judgment about the universe I have made is that the conditions within it are such that conscious life can develop. Are you disputing that?

Not that I think your message was directed at me, so I’m not sure why I’m answering.
no it was not directed specifically at you....i was simply pointing out a flaw in those who argue that god must exist because the universe, as they see it, is "perfect" for us. that's all
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Old 01-18-2003, 09:46 AM   #26
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Default Re: Re: Re: Re: Re: Thoughts on the Anthropic Principle

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Originally posted by faustuz
Astronomically improbable events don?t happen. Any statistician will tell you that.
Well, they might tell me that, but it would still be false.

All I have to do is ask someone who has won the lottery how many times they actually played.

All I have to do is look up at a solar eclipse and ponder the odds that the sun and the moon would have nearly the exact same angular size on the sky.
Events that dont happen, period, are impossible, not improbable. Improbably still implies the possible.
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Old 01-18-2003, 10:04 AM   #27
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The anthropic principle also argues against the special nature of our universe: things are they way they are because that's the way they are; if they weren't, they wouldn't be and we wouldn't be here to be wondering why.
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Old 01-18-2003, 10:08 AM   #28
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Default Re: Re: Re: Re: Re: Thoughts on the Anthropic Principle

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Originally posted by faustuz
Astronomically improbable events don’t happen. Any statistician will tell you that.
They do, given an astronomically long enough time (13 billion years) and an astronomically large solution space (our universe). In fact, some are almost inevitable.
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Old 01-18-2003, 10:19 AM   #29
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Quote:
Originally posted by faustuz
“The anthropic cosmological principle asserts that the laws, constants and basic structure of the universe are not completely arbitrary. Instead they are contrained by the requirement that they must allow for the existence of intelligent observers, ourselves.”
I'm not entirely sure I agree with this. Yes, the laws, constants and basic structure of the universe do (obviously) allow for the existence of intelligent observers. However, this does not guarantee that intelligent life will exist.

Physicists tell me that if I were to change the fundamental constants of the universe ever so slightly then matter could not aggregate, atoms could not form, etc. Furthermore, its seems from our observations of the universe that the parameters for generating life, not to mention conscious life, are indeed narrow.


1.) Which fundamental constants? Can any fundamental constants be changed?

2.) How much is "ever so slightly"? That seems a bit arbitrary.

3.) What exactly is meant by "narrow parameters" for generating life? This also seems a bit arbitrary.
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Old 01-18-2003, 12:07 PM   #30
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Default Re: Re: Re: Re: Re: Re: Thoughts on the Anthropic Principle

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Originally posted by Oxymoron
They do, given an astronomically long enough time (13 billion years) and an astronomically large solution space (our universe). In fact, some are almost inevitable.
Exactly correct. In fact, that's been my whole point!
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