Wintery Knight’s reflections on Carroll v. Craig Debate

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“God and Cosmology” William Lane Craig and Sean Carroll – 2014 Greer Heard Forum

Published on Mar 3, 2014

For more resources visit: http://www.reasonablefaith.org

On Friday, February 21st, 2014, philosopher and theologian, Dr William Lane Craig, was invited by the Greer Heard Forum to debate Dr Sean Carroll, an atheist theoretical physicist. The topic of debate was, “God and Cosmology: The Existence of God in Light of Contemporary Cosmology.” The rigorous debate was concluded by a lengthy question and answer period with the audience.

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http://www.preposterousuniverse.com/blog/ http://winteryknight.wordpress.com/2014/02/21/tactical-faith-will-live-stream-the-responses-to-the-craig-carroll-debate-on-saturday/

The Humanist Hour #84: Dr. Sean M. Carroll

Published on Jun 27, 2013

In this interview, which took place before Dr. Carroll’s keynote speech at the American Humanist Association 72nd Annual Conference, he talks about issues ranging from his upbringing and education to research having to do with the Big Bang, quantum mechanics, the Higgs Boson, the idea of the multiverse, morality, the Large Hadron Collider, Hollywood movies where he’s been consulted, and more.

More details and show links can be found on the podcast website here: http://podcast.thehumanist.org/2013/0…

New Orleans Baptist Theological Seminary, New Orleans, LA, –

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The views below agree with my conservative worldview. Dr. Sean Carroll’s reflections on the debate were quite different and his views on the debate can be found at this link. 

Quick thoughts on the debate:

Carroll was as good of a speaker as Craig in terms of style. Very easy to listen to, very quick on his feet, very civil. There was no clear winner on style.

It was difficult to assess the truth value of scientific points being made, especially for the layperson. I explained a few of them in my posts earlier this week, but I think laypeople might struggle with them if they are hearing about these things for the first time.

A couple of Craig’s slides: (click for larger images)

Slide 1 of 2:

Dr. Craig slide #1 of 2

Slide 2 of 2:

Dr. Craig slide #2 of 2

Quick summary: (this is not complete, because I couldn’t get everything they were saying noted)

Dr. Craig defended two arguments: 1) the kalam cosmological argument and the fine-tuning argument.

Dr. Craig supported the origin of the universe with 1) the expansion of the universe and 2) the second law of thermodynamics.

Dr. Craig said that the BGV theorem supports a beginning for the universe.

Dr. Craig said that the consensus of scientists did not accept Carroll’s naturalistic cosmology, quoting Stephen Hawking in support.

Dr. Craig said that multiverse models fall victim to the Boltzmann brain problem, where we should observe Boltzmann brains coming into existence and then phasing out again far more probably than embodied minds. But we observe embodied minds, and no Boltzmann brains.

Dr. Carroll said that science cannot study metaphysical questions.

Dr. Carroll said that science is about making models that may or may not be consistent with the experimental data.

Dr. Carroll said that the BGV theorem does not support a beginning for the universe.

Dr. Carroll proposed 17 alternative cosmologies, but did not provide a shred of scientific evidence for any of them, the way that Craig did for the standard model.

Dr. Carroll refuted Dr. Craig’s citation of Stephen Hawking, and Craig yielded the point.

Dr. Carroll speculated that science might progress to the point where the fine-tuning can be explained without an intelligent cause, and he gave an example of where that happened (inflation).

Dr. Craig argued that all 17 of the models suggested by Carroll either conflicted with evidence, had serious problems or did require a beginning.

Dr. Craig argued that Carroll’s own model required a beginning.

Dr. Craig argued that Carroll’s own model fell victim to the Boltzmann brain problem.

Dr. Craig argued that Carroll’s own model violated the second law of thermodynamics.

Dr. Craig re-stated his point that the baby universe spawning in Carroll’s model was speculative and incomplete, and cited Christopher Weaver’s work.

Dr. Carroll denied that things that pop into being out of nothing require a transcendent cause.

Dr. Carroll reiterated that science can only make naturalistic models, and that he did not have to answer questions about ultimate causes.

Dr. Carroll showed a photo of Alan Guth expressing his opinion that the universe is “probably” eternal. No evidence was given for this assertion.

Dr. Carroll said that the fine-tuning was not done in an optimal way, because one fine-tuned value was lower than it needed to be, and it should be exactly what it needed to be if God did it.

Dr. Carroll said that a finely-tuned universe is more probably in naturalism than in theism, because God can do anything he wants and doesn’t need a fine-tuned universe.

Dr. Carroll said he would stop defending his model now, and would instead defend Aguirre-Gratton.

Dr. Craig gave three reasons why the universe popping into being out of nothing requires a transcendent cause.

First, he said that nothing cannot cause anything to happen, because nothing is nothing.

Second, he said that if things pop into being out of nothing, then why don’t we see it happening all the time with other things.

Third, he said that we have no reason to dismiss the causal principle, especially when it is the basis of scientific inquiry and has been so fruitful in the progress of science.

Dr. Craig reiterated that baby universes in Carroll’s model would be dominated by Boltzmann brains, and we don’t observe that.

Dr. Craig said that even on the quantum gravity models that Carroll mentioned, there would still be a beginning.

Dr. Carroll said that Craig mustn’t say “popped into being” but instead that “there was a first moment of time”.

Dr. Carroll said that his model does indeed violate the second law of thermodynamics “YES!”.

At this point Carroll stopped talking about the topic of the debate and started expressing personal opinions about religion. It’s funny how often atheists do this in debates.

Dr. Carroll said that most theists don’t believe in God because of cosmology, but because of community and feelings.

Dr. Carroll said that science had learned a lot in the last 2000 years, so theism was false.

Dr. Carroll said that most philosophers don’t think that God exists, so theism was false.

Dr. Carroll said microscopes and telescopes were absent 2000 years ago, so theism was false.

Dr. Carroll said that religion should be about community and feelings, not about what is true.

Conclusion:

My conclusion was that Carroll lost because he is just satisfied to throw theories out and not to argue that they are true by citing evidence. Carroll never seemed to be interested in finding out what is true, but instead he just wanted to tell a story that didn’t include God, and assert that by Occam’s Razor, his story was a better explanation. I am not impressed with theoretical speculations, although the layperson might be. I kept waiting for him to respond to Craig’s points about how his model was falsified by experimental evidence and observations, e.g. – the Boltzmann brains or the baby universe generation, and he never cited the evidence I wanted him to cite. Craig did have some evidence for his views, but he could have been stronger in making his case. He could have shown the e-mail from Vilenkin that stated that he had understood the BGV theorem, and was using it correctly, for example.

For me the winning side comes down to evidence. The standard model is the standard model because of scientific evidence. Until that evidence is overturned, then speculative models are of no interest to anyone who is evidence-driven. Speculations are not science. A philosophical presupposition of metaphysical naturalism is not science.

The nice thing is that Robin Collins, one of Craig’s respondents, went deep into the science of the fine-tuning, especially on one of my favorite data points, the cosmic microwave background radiation. The paper he presented is now posted on his web site (H/T Christian Apologetics Alliance). I posted about the CMBR before in my post about particle physicist Michael Strauss lecture on cosmology and fine-tuning at Stanford University and the his more recent lecture at the University of Texas. Note that Strauss is an experimental physicist, not a theoretical physicist like Carroll.

Unfortunately, naturalistic respondent Tim Maudlin said nothing at all of value, choosing to use his time to speak about the evils of the coal industry and the threat of global warming, despite the fact that the IPCC says there has been no significant global warming in the past 17 years.

The last two respondents have started speaking. I’m expecting the philosopher Alex Rosenberg to stay away from the science, and then we’ll hear from the experimental scientist James Sinclair. Rosenberg spoke on Darwinian evoloution being incompatible with theism, and it was interesting, but off topic for this debate. James Sinclair is speaking now, and is giving a technical paper on cosmology.

I may be posting a more accurate summary sometime next week, especially if they release either the audio or the video. If not, this will be it.

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