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Philosophy of Science 2005 Forum |
Welcome to the on-line forum for a course in Philosophy of Science at Bryn Mawr College
Comments are posted in the order in which they are received, with earlier postings appearing first below on this page. To see the latest postings, click on "Go to last comment" below.
welcome ... Name: Paul Grobstein Date: 2005-01-21 16:03:58 Link to this Comment: 12142 |
Enjoyed/learned from/was stimulated by our first meeting. Hope you all as well. Like posing the issue of "an accomodation between realism and constructivism" in the broader context of the traditional philosophical distinction between ontology and epistemology, with explicit notice that the contrasts (in both cases?) may not be as sharp as is sometimes portrayed. Intrigued as well by how few avowed "realists" we seem to have in our midst, am looking forward to seeing whether/how that changes. Particularly if we throw a little evolution, brain, pragmatism, and story-telling into the more traditional mix of Popper, Kuhn, and physics.
But that's then, and this is now, and there's no way to know where we'll get to until we see where we are and get started going. So add your thoughts and let's see what happens ...
week 2 Name: Paul Grobstein Date: 2005-01-28 17:18:41 Link to this Comment: 12292 |
I think the distinction between Popper's ontology ("realism") and his "methodology" is an important one. I find compelling re methodology Popper's argument that induction can't in principle establish the validity of universal claims, and recognize/accept that science is largely a process of falsifying univeral claims rather than proving them to be so (cf. Science as "getting it less wrong and A Vision of Science ... ).
I think Popper's account of methodology is incomplete (for reasons we will come to later in the course, having to do with the significance of non-falsifiable accounts and the role of culture, both of which in turn created an opening for Kuhn). But what is immediately more interesting is the relation between Popper's methodology and his ontology. It is simply not clear to me that the latter "entails" the former, ie that there is any necessary relation between "realism" and the methodology. My sense, in fact, is that Popper never seriously examined the implications of his appropriate correction of a previous methodological flaw and, had he done so, he could have saved us all from the resulting problems created by a "realism"/"constructivism" controversy. If Popper really denied the defensibility of realism as an ontology but asserted its significance nonetheless he was in fact, unbeknownst to himself, an "idealist".
For some related thoughts along these lines, see The Bipartite Brain, and Thinking About Science: Evolving Stories.
week 3 Name: Paul Grobstein Date: 2005-02-01 16:46:20 Link to this Comment: 12421 |
A few thoughts from our classroom today (thanks Christina and others) ...
I think we developed even more evidence that Popper's "realism" actually hides a more fundamental "idealism" tempered by pragmatism. But, at the same time,I think I better understand the relation between Popper's methodology and his sense of a need for "realism". There is the issue of a correspondence theory of truth, and the necessity of "realism" to achieve that. But I think there is something deeper, a concern that inquiry needs a motivator and a controller, something to get it going and something to keep it from going off track. My hunch is that both "realism" and the associated concept of "truth" served those functions in Popper's mind.
So, can one conceive of ways that inquiry might be motivated and constrained in the absence of "reality"/"truth"? An exercise for the student (myself included, but see Emerging Emergence) ....
week 4 Name: Paul Grobstein Date: 2005-02-13 21:14:08 Link to this Comment: 12858 |
I'm still mulling this issue of falsification and infinities (last week or this week?). I think it really does matter whether one presumes a finite set of possible understandings or an infinite set. We'll come back to this issue later. It connects patterns of change in biological evolution and to the funky figure I drew on the board suggesting that Popper saw only one path to the present state while Kuhn was more interested in the underlying complex patterns of diversification and convergence. And it connects as well to the singularism/multiplism issue. Could it be that science could at any given time have equally well traced a different path to the present coming to a quite different but equally viable set of understandings? Would the exclusive use of the "falsification" criterion tend to keep one in a restricted area of a much larger search space?
Do, on way to there, think Kosso important. To say that there is a context/perspective for scientific observations and stories is NOT to say that one is STUCK with any particular perspective. One CAN recognize particular perspective dependencies and "correct" or "remove" them. The issue, remaining unsettled in my mind pending further discussion of, among other things, the speed of light, is whether one can every eliminate ALL perspective dependencies (or, alternatively, amalgamate ALL perspectives (see Thomas Nagel, The View from Nowhere, 1986; Arthur Miller, Einstein, Picasso, 2002).
Do also think the contrast/lack of contrast between Popper and Kuhn also important (DID Kuhn stake a claim with regard to "realism"?). If for no other reason than the "demarcation problem". Kuhn would allow for relevant things going on other than "falsification". This is sometimes seen/heard as a problem for science, a loss of objectivity. Might it actually be a benefit in some sense? Another issue to return to. Along with interesting question of whether science is episodic and, if so, why?
Patricia Disgruntled Name: Patricia P Date: 2005-02-16 22:52:57 Link to this Comment: 12951 |
My thoughts Name: Liz Date: 2005-02-17 22:09:03 Link to this Comment: 12993 |
week 5 Name: Paul Grobstein Date: 2005-02-22 12:30:30 Link to this Comment: 13134 |
Have in fact been thinking a lot since our last conversation (thanks Courtenay and all) about how much some conceptions of science do in fact depend on a "finite" universe presumption and what the implications of giving that up might be. Even within the finite universe presumption, there are some interesting problems with the "falsification" methodology, akin to problems recognized in "hill climbing algorithms" by those who use them in artificial intelligence work. And I suspect that both these and the infinite universe possibility might be dealt with by something along the lines of recognizing the value/usefulness of "incommensurable" stories/descriptions and perhaps building an account of science out of that?
A few other random things, for myself and whatever use they might be to others. Am intrigued by Liz M's characterization of modern physics as motivated more by "ideas" (ie symmetry) than by observations. And the practical issues re "falsifiability" I alluded to can be found in "pros and cons of falsifiability, and of caution" and the following postings there.
week 6 Name: Paul Grobstein Date: 2005-02-28 19:29:02 Link to this Comment: 13308 |
apologia and update Name: Paul Grobstein Date: 2005-03-26 09:59:51 Link to this Comment: 14026 |
week 7 Name: Paul Grobstein Date: 2005-03-26 11:11:54 Link to this Comment: 14029 |
So, "internal realist" acknowledges dependence on a reference frame and preserves "common sense" and "reality" by appealing to coherence within a reference frame. In these terms, one can, if I'm understanding it correctly, have "incomensurability" (Kuhn) without "contradictory". But all this, of course, raises a number of questions about what creates a reference frame, how stable a reference frame is, whether a reference frame needs a reference frame to be defined within, what accounts for similarities among different people in descriptions of what is "out there". And about "science" and the relations of its descriptions of what is out there to what is experienced (is "red" out there? is describing how one comes to experience it equivalent to experiencing it?). It also raises, again, the amusing question of why one feels the need to appeal to an "out there" or "ding und sich" or "noumen" or "reality" at all.
Maybe an important way into all of this is the amusing confusion/ambiguity about "intension" and "intention"? An "extensional" description/definition? is of something "out there" (water molecules), whereas an "intensional" description is of one's experience of it ("wetness"). Which in turns implies an "intentional" agent, ie one whose descriptions of things include a component of relation to self and its purposes? If so, a necessary component of the program of an "internal realist" would need to be to provide an explanation of "self" and "purpose" which would in turn speak to the issues above about the origins and nature of reference frames? And, as well, a consideration of whether inquiry is "discovery" or "creation". How many ways are there that a set of experiences can be made sense of? How many patterns are there "discoverable" in a random sequence of ones and zeros?
week 8 Name: Paul Grobstein Date: 2005-03-26 13:46:15 Link to this Comment: 14031 |
Where we are ... "a realism minus absolutism and a constructivism minus projectivism"? An "idealist sitting on the back of a pragmatist"?
week 9 Name: Paul Grobstein Date: 2005-03-26 14:43:41 Link to this Comment: 14032 |
Is particularly relevant in re a possible disagreement between Krausz/self on whether to do philosophy "in long run" or in "short run", ie whether there is or is not a place for "transcendentals" in philosophy and, if there is, what their standing should be. If there is "only what's in the brain" what is the origin and status of "ideals"? Is the world "out there" a "useful" ideal, or something that can be dispensed with? Is it there at all? Is it there to "measure against"? Does it serve any other function? And where does the presumption of a scheme/content distinction come from anyhow?
So ... we're up to date, and ready to try getting at some of these questions from a different starting point, following a different tree branch, reclustering ones and zeros in an infinite/random? sequence, using a different conceptual scheme?
week 10 Name: Paul Grobstein Date: 2005-04-03 11:39:51 Link to this Comment: 14231 |
First, from Zach/Davidson/preceding, some fairly solid points (I think) and some interesting open issues ...
Evolution as conceptual scheme "incomensurable" with Popperian "realism"? perhaps somewhere between "realism" and "idealism" (not imputational but Platonic?)
Issues:
week 11 (a little belatedly) Name: Paul Grobstein Date: 2005-04-13 07:51:09 Link to this Comment: 14537 |
Some high points, as I recall them ....
The idea that things evolve, as per atomists, simply because of motion and their own properties, with new combinations appearing all the time, some more stable, some less so. And that different forms of stability are "incomensurable", ie are "equally good" but not translatable (except by historical description of antecedents. MK put this in an interesting way in the following sesssion: things have properties that were not present earlier (eg wetness not present in hydrogen/oxygen but only in combination; there WAS no property of "wetness" until that combination occurred).
The idea prepared for development in next session that "word", "notion", "meaning", "purpose" are outcomes of evolution, rather than antecedents. But once existing they became, as earlier became model makers, causally significant for previously existing forms of organization.
An understanding that neither the mission nor the task of people interested in emergence as an explanatory framework is to disprove the existence of blueprints, planners, conductors, or gods. The question is not what is "real" but rather whether an adequate story can be offered in lieu of presuming such things. Doing so is not a "disproof" of their existence.
More generally, an understanding that one is here (and in intellectual activity in general) working in a space of "incomensurables", ie that the value of one story does NOT depend either on proof of it NOR on disproof of others. The task is to create "good" stories, with the relative validity of such stories being assessed only by their future generativity (in parallel to biological evolution).
week 12 Name: Paul Grobstein Date: 2005-04-17 21:00:09 Link to this Comment: 14657 |
Good starting points from MK, that world can't be "singularist" if there is, for humans, no reality beyond sensation which itself is product of multiplist brain, that if brain is a "materialist thing" then at least something is a materialist thing (ie subject to a singularist interpretation) and therefore other things MIGHT be. I accepted the first (at least for the moment) and conceded the second, with the understanding (see last week) that the task is not to come up with ultimately "defensible" stories but rather with ones that work in the present and, still more importantly, are productive in the future. It was also agreed that the brain perspective takes as a likely possibility that there is SOMETHING out there, but does not require that it be amenable to description as a "fact of the matter".
Garth laid out an argument that asserted, in essence, that there is a distinction between cultural things, about which "reality" is subservient to interpretation, and "real" things about which statements are always "testable". A challenge was offered to the concept of "testability" along the lines of earlier notions that, in an absolute sense, this requires a presumption of a finite number of possible statements. It was agreed to stay with the brain for this session and take on the question of "science" and its relation to culture/interpretation in the next.
The key elements of the discussion of the brain updated went beyond the inherent ambuity in input to the suggestion that the bipartite character of the brain brings into existence most of the concepts that are fundamental to traditional approaches to philosophy of science, including that of "reality" and the "fact of the matter". While these MIGHT have some correspondence to what is "out there", this is not a "testable" matter and so descriptions of science should be understood to use "reality" not as something stable to test things against but rather as an "ideal" generated inside the brain that may or may not continue to be useful for further inquiry and that in any case co-exists with other "ideals" generated by other minds with which it is "incomensurable" but not provably false.
addendum Name: Paul Grobstein Date: 2005-04-18 08:14:27 Link to this Comment: 14665 |
current news ... Name: Paul Grobstein Date: 2005-04-20 07:39:00 Link to this Comment: 14746 |
taking philosophy public? Name: Paul Grobstein Date: 2005-04-22 08:06:35 Link to this Comment: 14782 |