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Author Topic:   mihkel4397: Fred Hoyle's calculation of probability of abiogenesis
Sumer
Inactive Member


Message 16 of 50 (344013)
08-27-2006 5:24 PM
Reply to: Message 12 by RAZD
08-27-2006 4:13 PM


Edited by Sumer, : No reason given.

This message is a reply to:
 Message 12 by RAZD, posted 08-27-2006 4:13 PM RAZD has replied

Replies to this message:
 Message 18 by RAZD, posted 08-27-2006 7:09 PM Sumer has replied
 Message 19 by Chiroptera, posted 08-27-2006 8:04 PM Sumer has not replied

  
Chiroptera
Inactive Member


Message 17 of 50 (344014)
08-27-2006 5:28 PM
Reply to: Message 15 by obvious Child
08-27-2006 5:15 PM


quote:
But weren't the proposed compositions of the early atmosphere that was used in the experiment criticized as not being accurate given new findings?
I'm not sure what you are asking here. The Miller-Urey experiment used a composition that was believed at that time to be similar to that of the primordial atmosphere. Subsequent work indicated that the primordial atmosphere may have had a different composition; the experiment was repeated with the that composition, and essentially the same results were obtained. Urey-Miller type experiments have been performed with a variety of different atmospheric compostions and with a variety of different energy sources, and an organic "primordial soup" has been produced each time. I am not aware of any "null results" of a Miller-Urey experiment using what is now believed to have been the composition of the early atmosphere.

"The fact that a believer is happier than a skeptic is no more to the point than the fact that a drunken man is happier than a sober one." -- George Bernard Shaw

This message is a reply to:
 Message 15 by obvious Child, posted 08-27-2006 5:15 PM obvious Child has not replied

  
RAZD
Member (Idle past 1427 days)
Posts: 20714
From: the other end of the sidewalk
Joined: 03-14-2004


Message 18 of 50 (344034)
08-27-2006 7:09 PM
Reply to: Message 16 by Sumer
08-27-2006 5:24 PM


Thanks, RAZD. I was looking for that. ... No, he didn't.
So you agree then that any number he came up with is totally unrealistic? Thanks.
Shouldn't the same principle be applied to both sides of the argument?
But it is. One "side" is asserting that the probability argument is valid in some way, and the other "side" is saying that the probability is hooey. We are showing why the argument is hooey.
We don't know the probabilities because we don't know the possibilities and therefore all assumptions used for any such calculation are inevitably based on ignorance. All we really know is that the probability was somewhere between 0 and 1.
And no matter what you do, you are left with the inherent problem that improbable never equals impossible.
All that was needed was to show that the argument was hooey. Done, and you've agreed with it.
.. therefore, Hoyle may be right, or he maybe wrong.
No, he won't be "right" in the sense of making an accurate model -- his model is wrong, no matter how you cut the facts.
He may have made a lucky guess, but that is the limit of his ability to be "right" on this issue -- but yes, he could have guessed correctly that life came from outer space.
Enjoy.

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This message is a reply to:
 Message 16 by Sumer, posted 08-27-2006 5:24 PM Sumer has replied

Replies to this message:
 Message 20 by Sumer, posted 08-27-2006 10:45 PM RAZD has replied

  
Chiroptera
Inactive Member


Message 19 of 50 (344051)
08-27-2006 8:04 PM
Reply to: Message 16 by Sumer
08-27-2006 5:24 PM


quote:
The scientists continuously bring new fudge factors to explain the origin of life--vitalism, simple cell, primordial soup, RNA world, etc--to eventually drop them altogether.
No, this is not what scientists are doing. Scientists are saying, "We do not know how life began on earth. If life arose naturally from the chemical environment of the primeval earth, here is a possible step in the overall process." They then test their ideas in a laboratory to see whether their proposal might be a step in the process that led to life.
-
quote:
There are still those enormous logistical problems I mentioned before.
Hoyle did not deal with any logistical problems. He ignored logistical problems. He discussed a probability for a random assortment of nucleotides and amino acids to come together to form a cell all at once. This has nothing to do with any "logistics" in any scenario proposed for the formation of life.
-
quote:
therefore, Hoyle may be right, or he maybe wrong.
No, he only considered one scenario that was not (and is not) under consideration. Even if it turns out that the formation of life on the surface of the earth through abiogenetic means is highly unlikely, Hoyle will still only have made a lucky guess. That is not the same as being right.

"The fact that a believer is happier than a skeptic is no more to the point than the fact that a drunken man is happier than a sober one." -- George Bernard Shaw

This message is a reply to:
 Message 16 by Sumer, posted 08-27-2006 5:24 PM Sumer has not replied

  
Sumer
Inactive Member


Message 20 of 50 (344086)
08-27-2006 10:45 PM
Reply to: Message 18 by RAZD
08-27-2006 7:09 PM


Edited by Sumer, : No reason given.

This message is a reply to:
 Message 18 by RAZD, posted 08-27-2006 7:09 PM RAZD has replied

Replies to this message:
 Message 21 by RAZD, posted 08-28-2006 8:09 AM Sumer has replied

  
RAZD
Member (Idle past 1427 days)
Posts: 20714
From: the other end of the sidewalk
Joined: 03-14-2004


Message 21 of 50 (344223)
08-28-2006 8:09 AM
Reply to: Message 20 by Sumer
08-27-2006 10:45 PM


However, his number cannot be "totally unrealistic" FOR THE SAME REASON.
whatever.
That's your opinion, and you have no corner on realistic.
In that case, show me the evidence. Show me the proof of those alleged "different ways" and "other arrangements."
The evidence is that there were no other ways considered, even to discredit them.
The evidence is that only one method of formation was considered and it has been shown not to represent reality.
That is the evidence necessary to show that the calculation is not a reasonable model of reality.
If we assume that life didn't come all at once (and we don't know that), then the components must have been separated by time and/or space. Would it make the probability even much smaller (exponentially smaller!) for the reasons I described as "logistics?"
In a word, no.
Let's look at the "probability problem" from a different angle using the same kind of "logic" used in your calculations:
Take any protein and cut it in half: what is the probability that it would rejoin in exactly the same way as it was before being cut?
We'll label the protein {A-MN-Z} and it is cut into {A-M} and {N-Z} portions, and then we see that they can join in the following combinations:
{A-M}-{Z-N}
{M-A}-{Z-N}
{M-A}-{N-Z}
{A-M}-{N-Z} .... !!!BINGO!!! 25% of the time == WOW!!!
Next we'll put them in a sea of {A-M} and {N-Z} sub-proteins, say 10^+42 just for fun. What is the probability that at least one {A-M}-{N-Z} combination would form? Well, the probability that one would NOT form is 0.75^+42 = ~0, so it must actually have happened (same creatortionista logic on probabilities = possiblities when close to unity\zero)
Now we take each sub=protein and do the same "thought experiment" with them
{A-FG-M} becomes {A-F} and {G-M} and the combinations are:
{A-F}-{M-G}
{F-A}-{M-G}
{F-A}-{G-M}
{A-F}-{G-M} .... right? Still 25% of the time (using creatortionista logic), eh?
Next we'll put them in a sea of {A-F} and {G-M} sub-proteins, say 10^+84 just for fun. What is the probability that at least one {A-F}-{G-M} combination would form? Again, the probability that one would NOT form is 0.75^+84 = ~0, again, so it MUST have happened as well. GOSH.
And then the other half:
{N-ST-Z} becomes {N-S} and {T-Z}
{N-S}-{Z-T}
{S-N}-{Z-T}
{S-N}-{T-Z}
{N-S}-{T-Z} ... still good? Still 25% of the time (using creatortionista logic), eh?
Next we'll put them in a sea of {N-S} and {T-Z} sub-proteins, say 10^+84 just for fun. What is the probability that at least one {A-F}-{G-M} combination would form? Again, the probability that one would NOT form is 0.75^+84 = ~0, once again, so it MUST have happened as well. GOSH AND GOLLY.
And we can keep going, dividing and recombining until we get down to {A-B} {C-D} {E-F} {G-H} {I-J} {K-L} {M-N} {O-P} {Q-R} {S-T} {U-V} {W-X} {Y-Z} ... or in the real world until we get down to the 20 amino acids (which we now know can be formed spontaneously or provided by extra-solar generation). In each case the probability of it NOT happening is your astronomically small probability number that YOU say is evidence that it never happened.
But we can also look at the probability of BOTH not happening -- it is
0.75^+42 x 0.75^+84 = 0.75^+42+84 = 0.75^+126
Which is LESS than either probability of it NOT happening, so it is even more likely that BOTH occurred.
By this same logic then it really MUST have happened.
This is just as "realistic" as Fred Hoyle's -- and all similar creatortionista calculations.
Unfortunately, quite a few of them think that their theories are proven facts.
Care to back that assertion with some facts?
Edited by RAZD, : No reason given.

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... to learn ... to think ... to live ... to laugh ...
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This message is a reply to:
 Message 20 by Sumer, posted 08-27-2006 10:45 PM Sumer has replied

Replies to this message:
 Message 22 by Sumer, posted 08-28-2006 12:48 PM RAZD has replied

  
Sumer
Inactive Member


Message 22 of 50 (344283)
08-28-2006 12:48 PM
Reply to: Message 21 by RAZD
08-28-2006 8:09 AM


Edited by Sumer, : No reason given.

This message is a reply to:
 Message 21 by RAZD, posted 08-28-2006 8:09 AM RAZD has replied

Replies to this message:
 Message 25 by RAZD, posted 08-28-2006 7:11 PM Sumer has replied

  
fallacycop
Member (Idle past 5542 days)
Posts: 692
From: Fortaleza-CE Brazil
Joined: 02-18-2006


Message 23 of 50 (344326)
08-28-2006 2:38 PM
Reply to: Message 8 by Sumer
08-27-2006 12:40 PM


Sumer writes:
Fowler also thought that Hoyle's model of 7.65 MeV resonance was a crock. Luckily for him, Hoyle persuaded him into running an experiment. The result--a Nobel prize for Fowler (while Hoyle was disgracefully "overlooked" for this prize).
All nice and true, but completely irrelevant to the discussion at hand. You are commiting a serious fallacy here. The fact that one of Hoyle's model turned out to be correct has no bearing whatsoever on wheather another model will turn out to be correct or crook. Each model has to live or die based on its own merits. As repeatedly pointed out to you, the model at hand (The one about abiogenesis) is clearly junk.

This message is a reply to:
 Message 8 by Sumer, posted 08-27-2006 12:40 PM Sumer has replied

Replies to this message:
 Message 24 by Sumer, posted 08-28-2006 4:37 PM fallacycop has replied

  
Sumer
Inactive Member


Message 24 of 50 (344363)
08-28-2006 4:37 PM
Reply to: Message 23 by fallacycop
08-28-2006 2:38 PM


Edited by Sumer, : No reason given.

This message is a reply to:
 Message 23 by fallacycop, posted 08-28-2006 2:38 PM fallacycop has replied

Replies to this message:
 Message 26 by fallacycop, posted 08-28-2006 10:48 PM Sumer has replied

  
RAZD
Member (Idle past 1427 days)
Posts: 20714
From: the other end of the sidewalk
Joined: 03-14-2004


Message 25 of 50 (344423)
08-28-2006 7:11 PM
Reply to: Message 22 by Sumer
08-28-2006 12:48 PM


Sorry for your loss, truly.
But, you introduced this into the argument and that makes it open to be discussed as valid evidence for your argument:
My brother, the only sibling I ever had, was killed ... Is the death of my brother a good enough evidence to prove that science shouldn't treat theories as proven facts?
(1) this is the fallacy of the appeal to sympathy, which has no relevance to the validity of the argument
(2) it is anecdotal, not real evidence, and
(3) it still doesn't support your assertion ...
Nor does the death of George Washington.
There is a world of difference between treatment based on the best information available at the time, and scientists claiming that the theory is proven fact.
I'm also not sure I equate doctors in the late 1700's with being scientists as we know them today.
Both your anecdotes fall into "treatment based on the best information available at the time" and you totally and absolutely failed to present information otherwise.
Your claim regarding scientists was that:
Message 20
Unfortunately, quite a few of them think that their theories are proven facts.
You were asked for evidence to support that assertion. This takes the form of quotes from scientists with the claim that "(theory x) is a proven fact" - you have not done so. And because you claimed "quite a few" you need to provide "quite a few" such quotes.
Specifically your brothers death was not such a case of theory claimed as fact, because -- in your own words -- the discovery of the bacteria was coincident with his death or shortly thereafter.
Specifically George Washington's death was not such a case as this pre-dates the formalization of scientific method (~1930 see Karl Popper)
Scientific method - Wikipedia
Karl Popper - Wikipedia
If this seems harsh and uncaring, you were the one to introduce the anecdote, made an appeal for sympathy, and failed to show that it supported your position. Sorry.
I also had ulcers in the 70's and was put on a strict very bland diet where I nearly died from boredom. Does the fact that I lived change your argument? (answer: no, it is equally irrelevant to the argument).
Now ...
... to the { } of your remaining "argument":
Too bad Sir Hoyle is not around. He would have calculated the logistical problems of the modern fudge factors and would have exposed the "scientific" charlatans once again.
In other words you are admitting that you don't have the expertise, knowledge, ability OR capability to point out where my calculation is "bad".
This also means that you do not have the expertise, knowledge, ability OR capability to point out where Fred Hoyle's calculation is "good".
They must be equally valid eh?
Let's take your example and let's assume that your sub-protein is a sofa that needs to be moved from point A to point B (to your first "sea").
But you "sea" -- I don't need to "move" the protein: I'm working backwards from one already being there. Then each subsequent step backwards is also taken, and the probabilities of them NOT combining just keep multiplying down until the probability of it NOT happening is the same astronomical next to zero probability of Fred Hoyle's calculation.
According to you, this {astronomical next to zero probability} means abiogenesis is a foregone conclusion.
OR you are left with claiming that
(1) Fred Hoyle's calculation
cannot be "totally unrealistic"
(2) My calculation evaluated by someone (not you - someone that can do the probability calculations) would show
logistical problems of the modern fudge factors and would have exposed the "scientific" charlatans once again.
This is known as the fallacy of special pleading, another logical fallacy.
Of course we could average the results and end up with a 50:50 probability, it makes just as much sense as claiming one is right and the other is wrong eh?
Enjoy.
Edited by RAZD, : pyto

Join the effort to unravel {AIDS/HIV} {Protenes} and {Cancer} with Team EvC! (click)

we are limited in our ability to understand
by our ability to understand
RebelAAmericanOZen[Deist
... to learn ... to think ... to live ... to laugh ...
to share.

This message is a reply to:
 Message 22 by Sumer, posted 08-28-2006 12:48 PM Sumer has replied

Replies to this message:
 Message 27 by Sumer, posted 08-29-2006 4:15 AM RAZD has replied

  
fallacycop
Member (Idle past 5542 days)
Posts: 692
From: Fortaleza-CE Brazil
Joined: 02-18-2006


Message 26 of 50 (344506)
08-28-2006 10:48 PM
Reply to: Message 24 by Sumer
08-28-2006 4:37 PM


Sumer writes:
Didn't I say "also" to indicate a different model? Didn't I specify the other model? Didn't I show the relevance that it was also originally rejected? Did I claim that the model in question should be automatically correct because of his carbon synthesis model? Didn't I say that his currently discussed model can be wrong?
The point is that the carbon sintese model is completely irrelevent to the question at hand and bringing it up is just a red hearing.
The probability calculation is wrong because it is calculating the probability of something that is not relevant to the theory of evolution. (a strawman)

This message is a reply to:
 Message 24 by Sumer, posted 08-28-2006 4:37 PM Sumer has replied

Replies to this message:
 Message 28 by Sumer, posted 08-29-2006 4:27 AM fallacycop has replied

  
Sumer
Inactive Member


Message 27 of 50 (344604)
08-29-2006 4:15 AM
Reply to: Message 25 by RAZD
08-28-2006 7:11 PM


Edited by Sumer, : No reason given.

This message is a reply to:
 Message 25 by RAZD, posted 08-28-2006 7:11 PM RAZD has replied

Replies to this message:
 Message 39 by RAZD, posted 08-29-2006 11:44 PM Sumer has not replied

  
Sumer
Inactive Member


Message 28 of 50 (344608)
08-29-2006 4:27 AM
Reply to: Message 26 by fallacycop
08-28-2006 10:48 PM


Edited by Sumer, : No reason given.

This message is a reply to:
 Message 26 by fallacycop, posted 08-28-2006 10:48 PM fallacycop has replied

Replies to this message:
 Message 29 by Dr Adequate, posted 08-29-2006 4:46 AM Sumer has not replied
 Message 30 by fallacycop, posted 08-29-2006 6:47 AM Sumer has replied

  
Dr Adequate
Member (Idle past 306 days)
Posts: 16113
Joined: 07-20-2006


Message 29 of 50 (344611)
08-29-2006 4:46 AM
Reply to: Message 28 by Sumer
08-29-2006 4:27 AM


The model is irrelevent, the treatment (attitude) of the models is not. If you read carefully, you'll see that I spoke about the treatment of the model and drew parallel to the treatment of the current model.
So, you want us to compare the treatment of two different models without discussing what those models are, and whether or not they're any good?
"The model", you say, "is irrelevant".
Might we also compare the very different treatment which has been meted out to the theses that 2 + 2 = 4 and 2 + 2 = 22? But without, of course, considering the two models themselves; and their strengths and weaknesses. That would be "irrelevant".

This message is a reply to:
 Message 28 by Sumer, posted 08-29-2006 4:27 AM Sumer has not replied

  
fallacycop
Member (Idle past 5542 days)
Posts: 692
From: Fortaleza-CE Brazil
Joined: 02-18-2006


Message 30 of 50 (344618)
08-29-2006 6:47 AM
Reply to: Message 28 by Sumer
08-29-2006 4:27 AM


Sumer writes:
The model is irrelevent, the treatment (attitude) of the models is not. If you read carefully, you'll see that I spoke about the treatment of the model and drew parallel to the treatment of the current model.
It still is irrelevant
The probability calculation is wrong because it is calculating the probability of something that is not relevant to the theory of evolution. (a strawman)
Did you bother to read what we were debating over here?
Is that your only answer? Did you bother to think about what I said?

This message is a reply to:
 Message 28 by Sumer, posted 08-29-2006 4:27 AM Sumer has replied

Replies to this message:
 Message 31 by Sumer, posted 08-29-2006 2:12 PM fallacycop has replied

  
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