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THE QUANTUM of EXPLANATION

~ Science, logic, and ethics, from a Whiteheadian Pragmatist perspective (go figure)

THE QUANTUM of EXPLANATION

Category Archives: Philosophy of Science

The Nature of Scientific Controversies

12 Monday Jan 2015

Posted by Gary Herstein in Climate Change, Creationism, Logic, Philosophy of Logic, Philosophy of Science

≈ 7 Comments

Tags

Climate change Denial, creationism, Logic, Science

The title of this post is, among other things, a play on Kuhn’s classic The Structure of Scientific Revolutions. The purpose of this post is to set out a collection of “quick and dirty” rules of thumb for non-specialists to be able to determine when a putative “controversy” (as reported in the press) is a genuine scientific controversy. DSCF1966Quick and dirty rules of thumb are the best that anyone can ever hope to achieve on this matter, because the determination of genuine versus specious controversy is inherently qualitative and deeply sensitive to context. Nevertheless, a very solid set of evaluative tools can be quickly assembled and mastered with relative ease by anyone prepared to apply logic to facts. This post is something of a “part 2” to my earlier, What is Science?

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Making Sense 1

29 Friday Aug 2014

Posted by Gary Herstein in Climate Change, Critical Thinking, General Philosophy, Philosophy of Science

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Tags

Climate change Denial, Critical Thinking, Inquiry, Science

In making sense of things – of anything, really – there are at least three factors involved: logical coherence, empirical adequacy, and narrative intelligibility. The last item there, “narrative intelligibility,” is the tricky one, and the one that many people tend to forget about. So I will deal with that in a separate post. Not only are logical coherence and empirical adequacy rather more straight forward to deal with, I’ve already said a fair amount bout about logic as such and about methods of formal analysis in previous posts. Still, it would be worth while to say a few words about what is meant by “coherence” before addressing the topic of empirical adequacy.

“Coherence” is a fairly well-liked word in philosophical circles, but its meaning tends to be given short-shrift especially among logicians. For these latter, “coherence” is often treated as meaning nothing more than formal consistency, which is to say, if “p” is a proposition, then it cannot be the case that both p and not-p are true. While this is a valuable resource in formal arenas and in matters of mathematical proof, it is pretty weak-tea from a more general, philosophical perspective of coherence. Whitehead offers the following characterization:

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Thinking about Thinking 3: Statistical modes

22 Friday Aug 2014

Posted by Gary Herstein in Climate Change, Critical Thinking, Philosophy of Logic, Philosophy of Science

≈ 5 Comments

Tags

algebraic reasoning, Climate change Denial, Critical Thinking, Logic, mathematics, Relational thinking, Statistics

Statistical thinking is one of the most important formal methods of engaging reality available to human beings. Sadly, it is also one of the more difficult, because human beings, in general, have absolutely no intuitive sense regarding probabilistic claims or statistical analyses. The people who do such things – even the ones that do them poorly – only reach such a stage of analysis after a significant amount of disciplined education. For the rest of us (and I must perforce include myself in this list) our statistical guesses only rise to the level of the merely appalling on those rare occasions that they are not completely idiotic. Quite usable texts can be had for the downloading (although the interested reader might consider supporting the Open Intro foundation), but one still requires no small measure of determination to “climb Mount Statistics” on one’s own. It is a challenge I’ve never completed at any substantive level, making this post more than a trifle daunting. However, even lacking any measure of expertise on the subject, there remain a few intelligent things that can be said, even by someone like me.

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(E)merging Traffic

25 Friday Jul 2014

Posted by Gary Herstein in General Philosophy, Philosophy of Logic, Philosophy of Science

≈ 2 Comments

Tags

Emergence, Philosophy of Mind, Semantics

      What does it mean to say that some thing, quality, relation, or constellation of combinations of any of the above (as well as whatever I might not have mentioned) is “emergent”? What does it mean for something to be genuinely new, for the universe to be genuinely creative?

      One obvious response falls out along the lines that, “Well, something is there now that wasn’t there before.” Despite its initial plausibility, I would suggest that such an account is badly off-base. For one thing, the reliance on a difference over time is quite naïve. The evolution of eukaryotic cells on the primordial Earth took place over time, and in a sense such nucleated cells “emerged” from an earlier situation where they did not exist. But this is a kind of “weak tea” emergence that is easily accounted for within ordinary evolutionary theory. No, when philosophers speak of emergence, they mean something radically new, seemingly unaccountable within the existing scheme of things. In a very real sense, they mean something genuinely creative.

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Book Review: Thomas Nagel, “Mind and Cosmos”

19 Saturday Jul 2014

Posted by Gary Herstein in Book Review, Philosophy of Science

≈ 3 Comments

Tags

book review, Nagel, naturalism

Thomas Nagel: Mind and Cosmos: Why the Materialist Neo-Darwinian Conception of Nature Is Almost Certainly False, Oxford University Press, 2012.

      Having mentioned this book in several previous posts, I thought this would be a good opportunity to repost (and significantly expand upon) the review I gave that book at Amazon. The original review may be found HERE.

      I started out reading Nagel’s book with a considerable amount of trepidation, but discovered – to my pleasure! – that it was a much better work than I expected. Nagel’s primary thesis is that the idea of naturalism that is dominant in the physical/biological sciences is in desperate need of revision. Naturally, this means that, from its first appearance, Mind and Cosmos has been subjected to a great deal of vituperation from those who declare themselves to be on the side of science and the very naturalism Nagel is at pains to critique. Further, much of the hysteria and negativity directed against Nagel came about because he states at one point that he believes the “Intelligent Design” (“ID”) people have made a couple of good arguments. As one might expect, the above led to an astonishing amount of sharply worded condemnation from certain dogmatic atheists, who essentially accused Nagel of being a young-earth creationist and of selling the pass to religion. None of these claims is even remotely true, of course, and Nagel is very clear about this: he repeatedly and explicitly disavows any belief or interest in theological approaches. Such methods, Nagel is clear, “do not so much solve the problem as strangle it.” (This latter is Ernst Cassirer’s phrase, and neither mine nor Nagel’s. However, Cassirer uses it in an analogous situation – specifically Descartes’ appeal to the goodness of God to solve the problem of the mind/body dualism.) But Nagel is also clear that the mechanistic/materialistic approach to science faces some insuperable difficulties.

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“The” Nature of Naturalism?

16 Wednesday Jul 2014

Posted by Gary Herstein in General Philosophy, Philosophy of Science

≈ 4 Comments

Tags

naturalism, Science

      “Naturalism” is a term that is frequently bandied about with such carefree disregard for clarity and meaning that one is left rather breathless at the speed with which so many largely meaningless labels are confidently announced to the world. Naturalism is frequently associated with (physical) science. But regardless of how justified such an association is, it frankly tells us absolutely nothing about either nature or science. Scientific results only seem to tell us what nature is, in a pure and simple way, when the metaphysical presuppositions of science are thoroughly suppressed and the large-scale interpretive commitments that exercise their unexamined domination over the particular reading of this or that scientific theory are permitted to operate not only unchallenged, but altogether without so much as a first, much less a second thought. Scientific theories – most particularly those in theoretical physics, where abstract mathematics is so profoundly important and influential – do not come with their interpretations “on their sleeve,” as it were. I will be exploring this problem in greater detail in the not-too-distant future, when I spend a few posts on the problematic issue of what I call “Model Centrism.”

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Exempli Gratia: Misleading Authority

11 Friday Jul 2014

Posted by Gary Herstein in Critical Thinking, Philosophy of Logic, Philosophy of Science

≈ 2 Comments

Tags

97%, argumentum ad vericundiam, consensus, Cook, petition project

     The recent publication in the peer-reviewed scientific literature of research showing that 97% of Climate Scientists are convinced that, not only is global warming very real, but the principal forcings in global warming are anthropogenic[1] in nature has created quite a stir amongst the denialists. Multiple independent lines of research have shown that the 97% figure is quite robust; the scientific data may be explored in detail at the authors’ of the original research own website, The Consensus Project. On the other hand, thorough-going debunkings of the attempts to dispute the 97% claim may be found HERE and HERE. More general discussions by actual Climate Scientists (not just John Conway) can be found HERE.

     My purpose here is somewhat different. In yet another sad attempt to dispute the real science behind the 97% consensus, one now sees the “Oregon Petition” once again being trotted out by denialists. This petition purports to show some 30,000+ “scientists” who dispute the scientific findings relating to AGW and the 97% consensus regarding those findings. What I wish to show here is how trivially easy it is to refute the Oregon Petition without making any appeals to a refined understanding of climate science or legitimate statistical techniques. All one really needs is a basic grasp as to the nature of science, and a casual grasp of the precepts of critical thinking.

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What Is Science?

09 Wednesday Jul 2014

Posted by Gary Herstein in Philosophy of Logic, Philosophy of Science

≈ 14 Comments

Tags

Critical Thinking, Logic, Science

     Having floated the problem of legitimate authority the other day, it is worth considering some of the things that make an authority legitimate. And in that regard, few things in the world are supposed to occupy the role of legitimate authority to the extent that science does. So what is science, and what lends it the weight we justifiably give it?

     Well, the first and most important thing to recognize is that science is not a body of pronouncements nor a collection of “facts”; rather, it is a self-correcting method of inquiry. From the foregoing, we can see that, qua “method of inquiry,” science is essentially a process, not a product. And qua “self-correcting,” we can see that the process is one of constant test and re-examination where previous conclusions are themselves treated as only provisional and subjected to renewed critique and inquiry.

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