Showing posts with label evolution. Show all posts
Showing posts with label evolution. Show all posts

Tuesday, January 1, 2008

Is IC falsifiable?

I happened upon the blog of one "professorsmith" in a Google search, and a couple of exhanges ensued here and here. Due to professorsmith's increasingly itchy trigger finger, it's probably wise to just post this here, where it won't be "disappeared", as has happened a couple times already. Here's my latest comment to William Bradford:

William Bradford,

You said:
The historic nature of the analysis does complicate things does it not? Let me note that ID critics do not hesitate to allege that ID is unscientific because of evidentiary difficulties. Let me return the favor in a way by pointing out that a legitimate position to take is that the answer to a specific question currently lies outside the boundaries of an empirical answer.
Yes, since we don’t have certainty, let’s just call it a solipsistic tie, shall we? I understand that’s a position many ID proponents would like to sue for, but there’s no legitimate expectation of certainty in any of this, especially in forensic questions. Instead, we depend on consilience, parsimony, predictions, and liability to falsification. That won’t produce the kind of satisfaction you’re demanding, but that’s the point: such demands are euphemisms for “unfalsifiable”. That is, the reason my researcher friend say “get outta here” with that suggestion (along the lines of what you demand) is that it’s not a practical expectation, even in principle.
And while science is all about “evidentiary difficulties”, the difficulties ID struggles with of a different kind. As I said, a century ago, we didn’t have the knowledge of DNA that led to the modern synthesis, and even when the modern synthesis was formulated, we had not uncovered the evidence that has given rise to the move towards evo-devo extensions of the model. The whole reason for engaging in the enterprise of science is because we have evidentiary difficulties, but as the evidence accumulates, positive hypotheses emerge that excel in terms of explanatory and predictive power, as well as rationalizing the evidence and surviving potent opportunities to be falsified. The problem is addressed in a positive way.

IC, as I was mention to professorsmith, is a negative argument applied evolutionary theory. It doesn’t have an “evidentiary problem” of the same sort mainstream science does. It is committed to “proving a negative” as a principle, asserting that X cannot be accounted for, as opposed to saying “here is the evidence that X happened, and if X were not true, this other evidence would be in view, but is absent”. It’s a negative model, which completely reverses the nature of the evidentiary problem.

Unless ID proponents are prepared to advance a positive hypothesis (”here is evidence of the Designer as a phenomenological entity, and here is the explanation of of how the Designer effected the phenomena we see…”), it simply must remain a “critique”, a sophisticated expression of incredulity.

I have no problem with that orientation for ID, so long as they are upfront about that orientation. The evidentiary challenges are fundamentally different for evolutionary theory and ID, though.

You said:
Indeed. Unsatisfactory as they are incapable (so far) of rendering definitive answers.

I think you misunderstood the objection. “Definitive” is an artificial hurdle criterion for science. It’s precisely when the complaint comes back that a given framework isn’t ‘definitive’ that the scientist shrugs and realizes he’s been pushed outside of the boundaries of science. It’s an illicit demand, scientifically speaking, when “definitive” becomes the bar to acceptance.

You said:
This is a revealing comment Touchstone, although one you probably have not thought through thoroughly. My comments about IC (and those of other IDists) are firmly grounded in what we know. When I point out that translation mechanisms needed to enable protein synthesis are dependent on the function of enzymes x, y, z… I’m making an observation backed by the evidence of effects of rare diseases brought about by the disablement of a single one of these enzymes. No suppositions needed. You and others may argue that we will someday find pathways to mechanisms needed for translation and you can label criticism of that contention critiques based on ignorance however you need to note that the belief that such non-telic pathways exist is one firmly rooted in a form a faith.
Sure, I don’t think that’s even controversial. Science doesn’t eschew axioms and epistemic presuppositions. I certainly haven’t claimed that, and do not encounter that position in scientific circles I travel in. It’s a method, and as such, begins with a set of givens it considers necessary to enable the enterprise — natural explanations as a requirement for natural phenomena, for example. That’s not a revelation to anyone.

There’s no “guarantee” that the world is intelligible in naturalistic terms. It may not be. But science proceeds on the “faith-based” assumptions that it is, as a means of enabling the acquisition of (natural) knowledge. There are plenty of other domains (e.g. religion) that do not need the constraints of methodological naturalism, as they are not organized around the development of natural knowledge, as science is.

Science may well “overlook” God, if he’s invisible on natural terms, and that’s a risk inherent in the model. But it’s a profitable risk, as MN provides essential protection from the conflation of supernatural ‘knowledge’ with natural knowledge. Epistemically, natural knowledge is fundamentally destabilized if supernatural “evidence” is mixed in.

You said:
Neither do worn out tread mill arguments aimed at straw men. Try dealing with what IDists are actually claiming.
I keep hearing that I’m offering strawmen, but I’ve yet to see what the strawman is. In this post, professorsmith states “IC is falsifiable”. So I think that quote is clearly what one IDist is “actually claiming”. As I took that statement up in the comments, I learned from professorsmith that IC was, after all, NOT falsified in the general sense, if the flagellum were falsified.

So that raises the question of what she means by “IC is falsifiable”. Does that mean IC is only put to rest if every single biological structure any ID proponent can imagine as IC is furnished with a documented fully detailed step-wise pathway? That’s an absurd and cynical use of the term “falsifiable”, if so, simply because ID proponents can keep scientists running in the hamster cage ad infinitum that way.

So, I’m still unclear what the falisification regime for IC is generally. Even if we were to agree on the specific tests for the flagellum, and it was falsified, IC would remain intact, from what professorsmith says. So what does “falsifiable” mean in that case?

If you want to show me where the straw man is in that, I’d be obliged. It may be useful point out that I have been responding to professorsmith’s post, and subsequent comments, as opposed to a post belonging to Gene, Behe, or Dembski. I’m happy to be directed to statements from them or others that professorsmith subscribes to as answers, but as it is, I don’t see what “falisifiable” means for IC as a general proposition.
I’m glad you mentioned DNA. DNA is an information rich molecule whose function is dependent on the sequential order of its nucleotides and an encoding convention by which sequences acquire biological significance. There is no atelic chemical process which generates systems like this.
That’s just a naked beg to the question, isn’t it? I might as well just say there is no telic process which generates system like this, so long as that kind of begging works.

-Touchstone


As you can see, a torrent of vicious epithets there.

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Monday, December 17, 2007

MikeGene on SETI and ID

This post over on TelicThoughts harkens back to a set of lively debates a couple years ago about how (dis)analogous SETI was to ID in terms of their basis for inquiry, their goals, and the filters that they each apply. MikeGene has apparently just recently become aware of some commentary on this from one of the SETI folks dating back aways.

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Sunday, December 16, 2007

Dembksi on Comedy Central

Hat tip to Jon Curry for this - Bill Dembski talks creation and evolution with Jon Stewart, Ed Larson, and... someone else.


Fairly uncontroversial, but interesting if you've not seen Dembski on video before. Steward asks if the religious conversion preceded his scientific insights, and Dembski says that yes, his religious conversion came before his design discoveries[sic]. Stewart isn't at all surprised, to which Dembski responds that that's not a bad way to have it, Newton and all...

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Tuesday, December 11, 2007

Tonsillectomies as Proto-Eugenics?

The comments in the recent post over at Uncommon Descent titled "A Practical Medical Application For ID Theory" is a goldmine for the wild and wacky musings of the ID crowd. Here, in comment 23, we have "angryoldfatman" um, extending post author GilDodgen's attempt to turn the "science-stopper" accusation back on the evilutionists through the novel strategy of treating all infections with multiple biotics (don't ask how that works here!):

angryoldfatman:

Another example of a little known science-stopping incident brought about by Darwinism: unnecessary harmful surgery.

I remember a big push back in the 1970s for children to have their tonsils removed even if they weren’t sick because tonsils were considered vestigial organs.

They went so far as to push this propaganda on Saturday morning cartoons like Fat Albert, if I remember correctly.

“We don’t know what these body parts do, and according to Darwinian evolution there are going to be body parts that are useless, so let’s just carve these things out.”

To me that’s a lot more dangerous than the results of a “God did it” attitude.

That's pretty much how it went, right? "Let's just carve these things out, since we don't know what they do!" There has been ongoing debate for decades about just when a tonsillectomy becomes advantageous -- benefits outweighing the risks. But here's some creative demonization of the process -- and putting cartoon characters to work in the service of the Devil, no less. Whether or not that's more dangerous than the promiscuous "Goddidit" answer I don't know, but it hardly matters because it's a fictionalized bit of medical history in the first place.

This observation triggered this from "Dog_of_War":
Dog_of_War:
I think you are completely correct about the surgery line of thinking. It is very reminiscent of the something that Sal Cordova does a good job of reporting: a mild for of eugenics that is inherint in the darwinian model.
There you have it -- tonsillectomies, promoted by Fat Albert, as a starter kit for eugenics. It's inherent in the Darwinian model, doncha know? I guess the evilutionists can hardly blamed, since it is, after all, "inherint".

This kind of exchange just floats in the comment stream, and doesn't raise an eyebrow for any of the un-banninated. It's educational, I guess. This is the "background mindset" that many IDers bring to bear on this issue. Good to keep in mind in this debate.

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Monday, December 10, 2007

Moving the 'Edge of Evolution' Goalposts

Over at the latest UncommonDescent post here, discussing the ramifications of the evolution of antibiotic resistance, "getawitness" says:

getawitness:
By which I mean a falsification of Mike Behe’s putative “edge” of evolution. Gil’s point, I think, is that a bacteria could never develop such resistance because Behe is right. So that would be a unbeatable antibiotic.
"russ" replies:
russ:
Falsification of his “edge of evolution”, or simply adjusting where the edge lies? If bacteria successfully adapt to each and every antibiotic, there’s no evidence that that will lead to anything more than an altered bacterium.
In other words, "It will never be a dinosaur, nyah!"

I don't know what this means for Behe's 'edge of evolution' (OK I do know what that means for EoE, but that's another discussion), but what is being adjusted here are russ's goalposts in the discussion. Behe's argument is not that "at some point things get impossibly improbable" -- although it might as well be, come to think about it. Evidence that "each and every antibiotic" successfully adapt most certainly would be problematic for Behe's claims, but russ finds refuge, apparently, in that falsification of Behe, or evidence for evolution in the general case, it's still not the overwhelming earth-is-not-flat kind of proof that allows russ to "keep the faith", as it were. Sure, adapative bacteria. But that's no dinosaur, no whale, mind you!

"getawitness" later notes the moving of the goalposts:

getawitness:
Falsification of that edge, yes. He would be free to move the goalposts and draw another line in the sand.
"russ" begs off thusly:

russ:
But is “moving the goalposts” really a fair characterization? Edge of Evolution is an attempt to establish where the limits of evolution lie. NDE THEORY says that you can go from nothing to humans via natural processes with no intelligence. EoE says that the best available DATA indicate that the best you can do is decrease overall function in an attempt to survive. Showing somehow that NDE is even better than we thought at trench warfare does not constitute “moving the goalposts”, or “drawing another line in the sand”. You seem to be using those expressions merely to gain rhetorical points.
Yeah, nothing like making your case as a cheap ploy to gain "rhetorical points". Showing that NDE (he really means the underlying biology modeled by the theory) is "better than we thought a trench warfare" DOES necessitate moving the goalposts, as its this "better"-ness that Behe supposes is precluded by the constraints and probabilities involved.

I think that's as much as anyone like "getawitness" can expect to see by way of capitulation to the evidence from the ID fanboys. "getawitness" has clearly been trying to be on his/her best behavior, and has survived a while, but if DaveScot reads this, "getawitness" is banninated.

UPDATE: Yep, "getawitness" is banninated, but with his posts left intact (so far), and per After the Bar Closes, it was Hermagoras, all along.

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