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“There need not be strict disciplinary boundaries between philosophy and other disciplines.”
In the following post, Catarina Dutilh Novaes, Professor of Philosophy at VU Amsterdam and Professorial Fellow at Arché at the University of St. Andrews explains and makes a case for synthetic philosophy.
This is the first in a series of weekly guest posts by different authors at Daily Nous this summer.
[“Abandoned Schoolhouse” by Gary Simmons]
A few years ago, the philosopher (and prolific blogger) Eric Schliesser used the term ‘synthetic philosophy’ to describe the work of Daniel Dennett and Peter Godfrey-Smith. Schliesser presented synthetic philosophy as “a style of philosophy that brings together insights, knowledge, and arguments from the special sciences with the aim to offer a coherent account of complex systems and connect these to a wider culture or other philosophical projects (or both). Synthetic philosophy may, in turn, generate new research in the special sciences…” Schliesser did not coin the term itself: the once influential but by now largely forgotten polymath 19th-century thinker Herbert Spencer (of ‘survival of the fittest’-fame) titled his mammoth 10-volume work covering biology, psychology, sociology and ethics System of Synthetic Philosophy.
But Schliesser can be credited for re-introducing the term to denote an approach in philosophy that has become more pervasive and widely accepted over the last two decades, namely one where philosophers engage extensively with work done in relevant (empirical) disciplines to inform their philosophical investigations and theories. Other recent examples of synthetic philosophers include Neil Levy (see his Bad Beliefs) and Kim Sterelny, who describes his book The Evolved Apprentice in the following terms: “The essay is an essay in philosophy in part because it depends primarily on the cognitive toolbox of philosophers: it is work of synthesis and argument, integrating ideas and suggestions from many different research traditions. No one science monopolizes this broad project though many contribute to it. So I exploit and depend on data, but do not provide new data” (Sterelny, 2012, p. xi). If this is a good description of synthetic philosophy, then it is fair to say that I have been (trying to be!) a synthetic philosopher for about 15 years now, so when Schliesser introduced the term, I adopted it wholeheartedly. (It is for sure much catchier than alternatives such as the cumbersome ‘empirically-informed philosophy’.)
The idea that there need not be strict disciplinary boundaries between philosophy and other disciplines enjoyed some popularity in the 20th century, in particular in the tradition of ‘scientific philosophy’ initiated by Bertrand Russell and continued by the Vienna Circle and later with their ‘heirs’ in the United States such as W.V.O. Quine (who used the ambiguous term ‘naturalism’ to describe the idea of continuity between philosophy and other disciplines) and Hilary Putnam. (Much before that, over the centuries, there was for the most arguably no strict separation between philosophy and other disciplines either; Aristotle was first and foremost a biologist.) But there was also much resistance within analytic philosophy to the idea that philosophical inquiry should in any way be informed by scientific findings (see this piece that I co-wrote on the dissonant origins of analytic philosophy). This resistance is to be traced back to G.E. Moore, who insisted that moral philosophy and ethics in particular were strictly non-scientific, purely conceptual domains. It continued with the so-called ‘ordinary language philosophers’, as exemplified by the damning critique of Carnap’s notion of explication in Strawson’s piece for the Carnap Living Philosophers volume.
To motivate a strict separation between science and philosophy, a point sometimes made is that scientists are involved in the merely descriptive inquiry of telling us how things are, while philosophers are involved in conceptual and (or) normative inquiry as well, which includes looking at how things ought to be understood, and how they ought to be. If true, this point has important methodological implications, as different methods are used for different types of investigation. Methods to investigate how things are include data collection, experiments, field work, etc. Methods to investigate how things should be include conceptual analysis, ‘intuitions’, thought experiments, etc. Some decades ago, however, this presumed neat separation was challenged by the so-called experimental philosophy approach, which prompted what might described as a small methodological crisis in analytic philosophy. Could philosophy be empirical/experimental after all? The X-Phi challenge made it clear that more sustained methodological reflection was needed, and philosophers spent much of the first two decades of the 21st century discussing the ins and outs of different methods for philosophical inquiry (see Williamson’s The Philosophy of Philosophy and the Oxford Handbook of Philosophical Methodology).
It is fair to say that scientific/synthetic philosophy ‘won’ the battle in that the Moorean rejection of engagement with empirical findings in philosophical inquiry has become much less widespread in the last decade. I speak from (anecdotal) personal experience: when I was working on the project that culminated in my monograph Formal Languages in Logic (2012), I often got remarks to the effect that it was all very interesting, but what I was doing wasn’t really philosophy. (My standard response was: well, I’m glad no one is saying that it’s all very philosophical, but not interesting.) By contrast, in later years the research that culminated in my monograph The Dialogical Roots of Deduction (2020) did not typically prompt the same kind of reaction, even though it was just as empirically oriented as my earlier work. The fact that The Dialogical Roots of Deduction won the Lakatos Award in 2022 (sorry folks, time for some shameless self-promotion!) attests to the widespread acceptance of synthetic philosophy as an approach to philosophical inquiry (though philosophers of science are, of course, from the start more amenable to the general idea of engaging with other disciplines).
In my opinion, philosophy is especially well-placed to facilitate much-needed interdisciplinary collaboration between different disciplines. It is now widely recognized that so-called ‘wicked problems’ require complementary approaches to be addressed, but each methodology has its limitations and dead angles. Experimental methods may lack ‘ecological validity’ (lab situations do not really reproduce the phenomena in the wild); quantitative methods are often not very fine-grained and may give rise to spurious correlations and ‘noise’; qualitative methods may be instances of ‘cherry-picking’ and have limited reach. Thus, what has become clear, in particular during the Covid-19 pandemic, is that triangulation of methods is essential for investigating complex problems.
It seems to me that philosophers have much to contribute to interdisciplinarity and triangulation efforts for two main reasons: philosophers are trained to engage in careful conceptual inquiry, clarifying and sharpening significant (scientific) concepts and sometimes introducing new ones (Carnapian explication, conceptual engineering); philosophers may be better able to see the forest rather than only the trees, as it were, by drawing on various scientific disciplines (as suggested in the Sterelny quote above) and noticing connections that may remain unnoticed within each specific discipline. Philosophy has much more potential for synthesis than is often recognized (even by us philosophers), and this is perfectly compatible with the centrality of analysis in analytic philosophy. (Traditionally, analysis and synthesis were viewed as two complementary rather than incompatible processes: you break things down to them put them back together again, usually in a different, more fruitful configuration.) (Note: commenting on an earlier draft of this post, Eric Schliesser remarked that my conception of synthetic philosophy differs in some important respects from his. He thinks that my conception resembles that of Kitcher’s, which he discussed in this blog post.)
True enough, there are also a number of difficulties, pitfalls and risks involved in attempting to do synthetic philosophy. For starters, the approach requires that the philosopher be conversant with various different scientific disciplines; she has to be a ‘polymath’ in some sense, which in the current scenario of scientific hyper-specialization is a formidable challenge. Secondly, there is a perennial risk of conceptual confusion/equivocation and ‘talking past each other’ for lack of a common vocabulary (a familiar problem in interdisciplinarity studies). Third, scientific studies themselves are not always reliable guides, with many important results not being replicated (see the famous ‘replication crisis’ in psychology and other disciplines).
However, while these issues are real and must be taken seriously, I submit that they should not be viewed as knock-down arguments against synthetic philosophy. (I have responses to each of them but I’m running out of space!) Sustained methodological reflection on the ins and outs of synthetic philosophy is still needed, but I hope to have established here at least that synthetic philosophy is an interesting and viable approach for philosophical inquiry.
The post A Plea for Synthetic Philosophy (guest post) first appeared on Daily Nous.
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