Scientific Realism

This paper examines the role existence plays in measurement validity. I argue that existing popular theories of measurement and of validity follow a correspondence framework, which starts by assuming that an entity exists in the real world with certain properties that allow it to be measurable. Drawing on literature from the sociology of measurement, I show that the correspondence framework faces several theoretical and practical challenges. I suggested the validity-first framework of measurement, which starts with a practice-based validation process as (...) the basis for a measurement theory, and only posits objective existence when it is scientifically useful to do so. (shrink)

The popular metaphysical view that concrete objects are grounded in their ultimate parts is often motivated by appeals to realist interpretations of contemporary physics. This paper argues that an examination of mainstream interpretations of quantum mechanics undercuts such atomist claims. First, mereological atomism is only plausible in conjunction with Bohmian mechanics. Second, on either an endurantist or perdurantist theory of time, atomism exacerbates Bohmianism’s existing tensions with serious Lorentz invariance in a way that undermines the realist appeal of both views. (...) Bohmians should therefore resist atomism, leaving atomists somewhat physically homeless. (shrink)

Bruineberg and colleagues' critique of Friston blankets relies on what we call the “literalist fallacy”: the assumption that in order for Friston blankets to represent real boundaries, biological systems must literally possess or instantiate Markov blankets. We argue that it is important to distinguish a realist view of Friston blankets from the literalist view of Bruineberg and colleagues’ critique.

Physical laws are strikingly simple, although there is no a priori reason they must be so. I propose that nomic realists of all types (Humeans and non-Humeans) should accept that simplicity is a fundamental epistemic guide for discovering and evaluating candidate physical laws. This principle of simplicity clarifies and solves several problems of nomic realism and simplicity. A consequence is that the often-cited epistemic advantage of Humeanism over non-Humeanism is exaggerated, undercutting an influential epistemological argument for Humeanism. Moreover, simplicity is (...) shown to be more tightly connected to lawhood than to mere truth. (shrink)

This volume brings together leading scholars working on understanding and representation in philosophy of science. It features a critical conversation format between contributors that advances debates concerning scientific understanding, scientific representation, and their delicate interplay.

Das Verhältnis von Lebenswelt und Wissenschaft befindet sich mit ungewissem Ausgang in stetiger Bewegung. In diesem Prozess ist das treibende Element die Wissenschaft, die Technisierungen ermöglicht und mit ihren Erkenntnissen die Welt überzieht. Trotz der fortschreitenden Verwissenschaftlichung hat sich die Lebenswelt jedoch ihre Eigenständigkeit bewahrt. Die vorliegenden Studien tragen zur Aufklärung dieses erstaunlichen Phänomens bei. Sie weisen Strukturdifferenzen der beiden Erfahrungsweisen auf und zeigen, wie sie mit- und gegeneinander existieren. Zugleich wird deutlich, dass ein Ende der lebensweltlichen Eigenständigkeit einen fundamentalen (...) Wandel für die gesellschaftliche Stellung nichtwissenschaftlicher Erfahrung bedeuten würde. Die Untersuchungen sind begrifflich, wissenschaftstheoretisch und phänomenologisch orientiert. Sie gehen von einem weitgefassten Wissenschaftsbegriff aus, der auch Technikwissenschaften sowie wissenschaftliche Anwendungen umfasst. In den Fallbeispielen kommt den Naturwissenschaften und dem Naturbegriff eine besondere Aufmerksamkeit zu. Der Lebensweltbegriff schließt in kritischer Distanz an die Sozialphänomenologie von Alfred Schütz und die Phänomenologie Edmund Husserls an. (shrink)

[This is the complete issue of the second issue of Mɛtascience] -/- This second issue of the journal Mεtascience continues the char acterization of this new branch of knowledge that is metasci ence. If it is new, it is not in a radical sense since Mario Bunge practiced it in an exemplary way, since logical positivists were accused of practicing only a mere metascience, since scientists have always practiced it implicitly, and since some philosophers no longer practice philosophy but rather (...) metascience, but without characterizing it or theorizing it, that is, without realizing that they have abandoned one general discourse for another. The novelty therefore lies in this aware ness that a general discourse without philosophy is possible: a scien tific general discourse. The twelve contributions gathered in this volume illustrate the metascientific approach to knowledge of the world as well as to knowledge of knowledge of the world, that is, science. And like Bunge’s project, they are neither part of the analytical movement nor the continental movement in philosophy. We will read here studies about the Bungean system, some applications of Bungean thought, some metascientific contributions, and some reflections around meta science. Among metascientific disciplines, ontology occupies a prominent place in this issue of Mεtascience. Metascience differs from philoso phy in its rejection of the fundamental philosophical distinction be tween appearance and reality. Metascientific ontology therefore does not postulate the existence of any metaphysical reality. But metasci entific ontology, no more than philosophical ontology, is a factual sci ence. The first, because it studies scientific constructs and not concrete objects, the second, because it is interested in transcendent or meta physical objects. (shrink)

[This is the full issue of the first issue of Mɛtascience] -/- This inaugural issue of the journal Mεtascience is also a special issue since it pays tribute to Mario Bunge (1919-2020) to high light his contribution to knowledge and our filiation with his thought. Mario Bunge's project is part of the humanist and scientific tradition of the Enlightenment. At the end of his intellectual journey, he wrote more than 150 books and 540 articles or chapters, including translations into several (...) languages. The work covers almost all branches of philosophy, from ontology to ethics, semantics, episte mology, methodology, praxeology and axiology, as well as a large number of scientific disciplines, ranging from physics to sociology, chemistry, biology and psychology. Without a doubt, Bunge's mag num opus is the Treatise on Basic Philosophy in nine volumes (1974- 1989). The six contributions gathered here come from authors from differ ent backgrounds. Like Bunge's project, they are neither part of the an alytic or continental movement in philosophy. The reader will find studies on the Bungean system, applications of Bungean thought, re flections and testimonies, and metascientific contributions. From the point of view of metascience as theorized in these pages, Bunge is the last of the philosophers and the first metascientific. He kept from philosophy the idea of a complete system that would inte grate semantics, ontology, epistemology, ethics, axiology and praxe ology, but he refused to problematize scientific knowledge in a tradi tional way. The result is surprising: even by accepting science as it is, he finds room for questioning. May Mεtascience be a place of questioning and deployment of the approach designed by Mario Bunge. (shrink)

In this paper, the epistemological and conceptual limits of our ability to conceive and reason about future possibilities are analyzed. It is argued that more attention should be paid in futures studies on these epistemological and conceptual limits. Drawing on three cases from philosophy of science, the paper argues that there are deep epistemological and conceptual limits in our ability to conceive and reason about alternatives to the current world. The nature and existence of these limits are far from obvious (...) and become visible only through careful investigation. The cases establish that we often are unable to conceive relevant alternatives; that historical and counterfactual considerations are more limited than has been suggested; and that the present state of affairs reinforces its hegemony through multiple conceptual and epistemological mechanisms. The paper discusses the reasons behind the limits of the conceivability and the consequences that follow from the considerations that make the limits visible. The paper suggests that the epistemological and conceptual limits in our ability to conceive and reason about possible futures should be mapped systematically. The mapping would provide a better understanding of the creative and critical bite of futures studies. (shrink)

This collection of original essays offers a comprehensive examination of scientific progress, which has been a central topic in recent debates in philosophy of science. Traditionally, debates over scientific progress have focused on different methodological approaches, notably the epistemic and semantic approaches. The chapters in Part I of the book examine these two traditional approaches, as well as the newly revived functional and newly developed noetic approaches. Part II features in-depth case studies of scientific progress from the history of science. (...) The chapters cover individual sciences including physics, chemistry, evolutionary biology, seismology, psychology, sociology, economics, and medicine. Finally, Part III of the book explores important issues from contemporary philosophy of science. These chapters address the implications of scientific progress for the scientific realism/anti-realism debate, incommensurability, values in science, idealisation, scientific speculation, interdisciplinarity, and scientific perspectivalism. New Philosophical Perspectives on Scientific Progress will be of interest to researchers and advanced students working on the history and philosophy of science. (shrink)

A commissioned 3-volume (800 pages) in-depth introduction to the philosophy of science, peer-reviewed by 11 specialists. (In Hebrew).

It is not uncommon in the history of science and philosophy to encounter crucial experiments or crucial objections the truth-value of which we are ignorant, that is, about which we suspend judgment. Should we ignore such objections? Contrary to widespread practice, I show that in and only in some circumstances they should not be ignored, for the epistemically rational doxastic attitude is to suspend judgment also about the hypothesis that the objection targets. In other words, suspension of judgment "propagates" from (...) the crucial objection to the hypothesis. In this paper I study under which conditions this phenomenon occurs, and discuss its significance for the topics of skepticism and scientific realism. (shrink)

First, I show that the semantic thesis of scientific realism may be relaxed significantly—to allow that some scientific discourse is not truth-valued—without making any concessions concerning the epistemic or methodological theses which lie at realism’s core. Second, I illustrate how relaxing the semantic thesis allows realists to avoid positing abstract entities and to fend off objections to the ‘no miracles’ argument from positions such as cognitive instrumentalism. Third, I argue that the semantic thesis of scientific realism should be relaxed, because (...) it is possible for scientific statements to be partially true, and hence approximately true, without being false. (shrink)

Past entities, events, and circumstances are neither observable nor manipulatable. Several philosophers argued that this inaccessibility precludes a realistic conception of the past. I survey versions of antirealism and agnosticism about the past formulated by Michael Dummett, Leon Goldstein, and Derek Turner. These accounts differ in their motivations and reasoning, but they share the opinion that the reality of at least large swathes of the past is unknowable. Consequently, they consider statements about them as referring, at most, to present constructs. (...) These antirealists about the past are not, however, antirealists or skeptics about time or chronology. They accept, among other things, that present traces can be dated and statements about their temporal provenances are referring and truth-apt.I posit that an antirealist who accepts that at least some of the present traces can be truth-aptly dated while holding that these traces do not support knowledge about past events and circumstances commits herself to a radically skeptic stance. Otherwise, she would be diluting her position so that it will be hardly distinguishable from realism. This problem could be avoided if antirealists about the past would extend their antirealism to estimates of the age of present traces. Such a position, however, would imply a very drastic form of scientific antirealism. I conclude that the past’s inaccessibility is insufficient to support antirealism about the past, either as a part of moderate scientific antirealism or as a stand-alone position. (shrink)

In this innovative book, Hasok Chang constructs a philosophy of science for 'realistic people' interested in understanding and promoting the actual practices of inquiry in science and other knowledge-focused areas of life. Inspired by pragmatist philosophy, he reconceives the very notions of reality and truth on the basis of his concept of the 'operational coherence' of epistemic activities, and offers new pragmatist conceptions of truth and reality as operational ideals achievable in actual scientific practice. Rejecting the version of scientific realism (...) that is concerned with claiming that our theories correspond to an ultimate reality, he proposes instead an 'activist realism': a commitment to do all that we can actually do to improve our knowledge of realities. His book will appeal to scholars and students in philosophy, science and the history of science, and all who are concerned about the place of science and empirical truth in society. (shrink)

The special theory of relativity holds significant interest for scientific perspectivists. In this paper, I distinguish between two related meanings of “perspectival,” and argue that reference frames are perspectives, provided that perspectival means “being conditional” rather than “being partial.” Frame-dependent properties such as length, time duration, and simultaneity, are not partially measured in a reference frame, but their measurements are conditional on the choice of frame. I also discuss whether the constancy of the speed of light depends on perspectival factors (...) such as the idealized definition of the speed of light in a perfect vacuum and the Einstein synchronization convention. Furthermore, I argue for the view that the constancy of its speed is a robust property of light according to the conditions of currently acceptable experimental setups pertaining to special relativity, and conclude that this view supports perspectivism. (shrink)

Philosophers of science often assume that logically equivalent theories are theoretically equivalent. I argue that two theses, anti-exceptionalism about logic (which says, roughly, that logic is not a priori, that it is revisable, and that it is not special or set apart from other human inquiry) and logical realism (which says, roughly, that differences in logic reflect genuine metaphysical differences in the world), make trouble for both this commitment and the closely related commitment to theories being closed under logical consequence. (...) I provide three arguments. The first two show that anti-exceptionalism about logic provides an epistemic challenge to both the closure and the equivalence claims; the third shows that logical realism provides a metaphysical challenge to both the closure and the equivalence claims. Along the way, I show that there are important methodological upshots for metaphysicians and philosophers of logic. In particular, there are lessons to be drawn about certain conceptions of naturalism as constraining the possibilities for metaphysics and the philosophy of logic. (shrink)

The main purpose of this paper is to refute the metaphysicians ‘methodological continuation’ argument supporting epistemic realism in metaphysics. This argument aims to show that scientific realists have to accept that metaphysics is as rationally justified as science given that they both employ inference to the best explanation, i.e. that metaphysics and science are methodologically continuous. I argue that the reasons given by scientific realists as to why inference to the best explanation is reliable in science do not constitute a (...) reason to believe that it is reliable in metaphysics. The justification of IBE in science and the justification of IBE in metaphysics are two distinct issues with only superficial similarities, and one cannot rely on one for the other. This becomes especially clear when one analyses the debate about the legitimacy of IBE that has taken place between realists and empiricists. The metaphysician seeking to piggyback on the realist defense of IBE in science by the methodological continuation argument presupposes that the defense is straightforwardly applicable to metaphysics. I will argue that it is, in fact, not. The favoured defenses of IBE in scientific realism make extensive use of empirical considerations, predictive power and inductive evidence, all of which are paradigmatically absent in the metaphysical context. Furthermore, I argue that the metaphysician, even if the realist would concede to the methodological continuation argument, fails to offer any agreed upon conclusions resulting from its application in metaphysics. As a result, the scientific realist is not committed to believing that there is metaphysical knowledge. (shrink)

One of the core charges against explanationist scientific realism is that is too epistemically optimistic. Taking the charge seriously, some realists offer alternative forms of scientific realism – semi-realism and theoretical irrealism – designed to be more modestin their epistemic claims. In this paper, I consider two cases in cosmology and astrophysics that raise novel issues for both views: semi-realism is argued to end up making astrophysics metaphysically inflated when confronted with cases regarding the existence and evolution of galaxies and (...) other astrophysical objects that cross the cosmic event horizon; theoretical irrealism is argued to be in serious tension with standard evidential reasoning in the context of the dark matter problem. (shrink)

In his chapter in this volume, Christopher Pincock develops an argument for scientific realism based on scientific understanding, and he argues that Giere’s (2006) and my (2017, 2020) commitment to the context-dependence of scientific understanding or knowledge renders our views unable to account for an essential step in how scientists come to know. Meanwhile, in my chapter in this volume, I motivate a view that I call "causal pattern realism." In this response to Pincock's chapter, I will sketch a revised (...) version of Pincock’s argument for realism that is consistent with causal pattern realism. Then I will respond to Pincock’s concern that the context-dependence of understanding on my view would interfere with the scientific community’s ability to extrapolate from specific experimental and observational contexts as needed to develop knowledge. My goal is not to convince anyone to be a causal pattern realist but rather to create the space for such a view, taking into account the concerns motivating Pincock. (shrink)

The present paper revisits the debate between realists about gravitational energy in GR and anti-realists/eliminativists. I re-assess the arguments underpinning Hoefer’s seminal eliminativist stance, and those of their realist detractors’ responses. A more circumspect reading of the former is proffered that discloses where the so far not fully appreciated, real challenges lie for realism about gravitational energy. I subsequently turn to Lam and Read’s recent proposals for such a realism. Their arguments are critically examined. Special attention is devoted to the (...) adequacy of Read’s appeals to functionalism, imported from the philosophy of mind. (shrink)

This book provides philosophers of science with new theoretical resources for making their own contributions to the scientific realism debate. Readers will encounter old and new arguments for and against scientific realism. They will also be given useful tips for how to provide influential formulations of scientific realism and antirealism. Finally, they will see how scientific realism relates to scientific progress, scientific understanding, mathematical realism, and scientific practice.

Many philosophers adopt methods that emulate those of the natural sciences. For them, this position, which they call naturalism, defines the indispensable set of starting points for fruitful debate in various areas. In spite of this consensus, however, little is ever said about the way naturalism depends on the primary idea of nature. If we understand this dependency of naturalism on underlying accounts of nature, we would be in a better position to recognize and evaluate different kinds of naturalism. In (...) this research monograph, I undertake a sustained study of the concept of nature to answer this need. I examine in detail how conceptual, historical, and scientific constraints affect, and are in turn affected by, the concept of nature in various domains of philosophy, and I relate the conceptual framework of scientific inquiry back to the lived experience that is proper to everyday self-understanding. The method I use is conceptual analysis. I begin with an evaluation and justification of this method, and then present the fundamental idea that forms the backbone of the entire book, namely the idea of complexification of concepts in the course of history. I present the four main views on nature that have dominated Western thought: the dynamic view, related primarily to Aristotle’s approach, the mechanistic view, the Romantic view, and the evolutionary view. From here, I engage in a detailed inquiry into the fundamental ideas of explanation and causation, defending a pluralist account for both. I then examine carefully the intricate relation between things and the meaning of the words we use to describe them. I show how we can acknowledge the emergence of complex properties from simpler ones within an overall evolutionary view of nature. I also explore how concepts concerning the nature of things are related to values. The final chapter deals with an objection that arises from those who claim that the empirical method is the only one available for our knowledge of nature. I show that the value of conceptual analysis, as used in this book, remains unharmed by this objection. We need to accept that, in the course of history, the concept of nature has become complexified, multilayered, and increasingly loaded with internal tension because of its many relations to different areas of our conceptual scheme. (shrink)

Decades of debate about scientific realism notwithstanding, we find ourselves bemused by what different philosophers appear to think it is, exactly. Does it require any sort of belief in relation to scientific theories and, if so, what sort? Is it rather typified by a certain understanding of the rationality of such beliefs? In the following dialogue we explore these questions in hopes of clarifying some convictions about what scientific realism is, and what it could or should be. En route, we (...) encounter some profoundly divergent conceptions of the nature of science and of philosophy. (shrink)

Explanatory elucidation occurs when a theory has one or more of its assumptions explained by another independently successful theory. Because explanatory elucidation springs from independently supported theories, it improves the credibility of the assumptions it casts light on, hence its relevance for realists. But cases can be pointed to where explanatory elucidation has badly failed to identify truthful components. One way to address this challenge is by trying to find additional epistemic support for seemingly meritorious theory-parts. Resource in this regard, (...) I suggest, include some specific lines of probing that regularly turn up against theories in mature scientific disciplines. Together with explanatory elucidation, those lines single out, in diachronic fashion, theory components worthy of realist commitment, or so I argue. (shrink)

This article explores and attempts to resolve some issues that arise when at stake is the need to harmonize philosophical hermeneutics with a kind of realist philosophy of science. The author takes issue with established position in the realism-antirealism controversy. Interventionism is criticized for a residual Cartesian dualism. Cognitive relativism is debated by developing a concept of situated transcendence in the constitution of objects of inquiry. Non-behaviorist arguments against scheme-content dualism are advanced that appeal to context- sensitive theory of meaning. (...) Social constructivism is rejected for the hypostatization of epistemic positions. The article suggests a model of the constitution of meaning. It undertakes an attempt at demonstrating how the integration of this model in a hermeneutic philosophy of science leads to realism without epistemological representationalism, foundationalism, and cognitive essentialism. The article is oriented toward a new dialogue between hermeneutic phenomenology and a holistic epistemology. (shrink)

In this paper we explore Ronald N. Giere’s contributions to the scientific realism debate. After outlining some of his general views on the philosophy of science, we locate his contributions within the traditional scientific realism debate. We argue that Giere’s scientific perspectivism is best seen as a form of carte blanche realism, that is: a view according to which science is a practice aiming at truth, and can warrantably claim to have attained it, to a certain degree; however, it does (...) not place our confidence invariably in some specific feature of scientific representations. (shrink)

I provide a critical review of Moti Mizrahi's The Relativity of Theory, expounding on the book's strengths and then providing an extended argument that Mizrahi mischaracterizes the epistemic attitude of concern to antirealism about science as well as the practical stakes involved in adopting the antirealist position.

According to scientific realists, the predictive success of mature theories provides a strong epistemic basis for thinking that such theories are approximately true. However, we know that many theories once regarded as well-confirmed and predictively successful were eventually replaced with successor theories, and some claim this undermines the epistemic confidence we should have in the approximate truth of current science. Selective scientific realists in turn argue that if one can show that the predictive success of some rejected theory T is (...) a function of theoretical claims consistent with current science, then T’s failure doesn’t undermine the claim that current successful theories are approximately true. As such, Selective Scientific Realism (SSR) can be tested through historical examples. Showing that the predictive success of a failed theory is the result of theoretical features later rejected provides a counterexample to SSR. Conversely, SSR is supported if its explanation of the predictive success of failed theories--namely, that the factors which lead to predictive success in the failed theory survive in the successor theory--is able to handle a wide array of historical cases. (shrink)

In this paper, I argue that what counts as the proper function of a trait is a matter of the de facto perspective that the biological system, itself, possesses on what counts as proper functioning for that trait. Unlike non-perspectival accounts, internal perspectivalism does not succumb to generality problems. But unlike external perspectivalism, internal perspectivalism can provide a fully naturalistic, mind-independent grounding of proper function and natural norms. The attribution of perspectives to biological systems is intended to be neither metaphorical (...) nor anthropomorphic: I do not mean to imply that such systems thereby must possess agency, cognition, intentions, concepts, or mental or psychological states. Instead, such systems provide the grounding for norms of performance when they internally enforce their own standard of (i.e., their own perspective on) what constitutes proper functioning or malfunctioning. By operating with a fixed, determinate level of generality, such systems provide the basis for an account of proper function that is immune to generality problems. (shrink)

Le réalisme scientifique occupe une place centrale dans le système philosophique de Mario Bunge. Au cœur de cette thèse, on trouve l’affirmation selon laquelle nous pouvons connaître le monde partiellement. Il s’ensuit que les théories scientifiques ne sont pas totalement vraies ou totalement fausses, mais plutôt partiellement vraies et partiellement fausses. Ces énoncés sur la connaissance scientifique, à première vue plausible pour quiconque est familier avec la pratique scientifique, demandent néanmoins à être clarifiés, précisés et, ultimement, à être inclus dans (...) un cadre théorique plus large et rigoureux. Depuis ses toutes premières publications sur ces questions et jusqu’à récemment, Mario Bunge n’a cessé d’interpeller les philosophes afin qu’ils développent une théorie, au sens propre du terme, de la vérité partielle afin de clarifier les enjeux épistémologiques liés au réalisme scientifique. Bunge a lui-même proposé plusieurs parties de cette théorie au fil des années, mais aucune de ces propositions ne l’a satisfait pleinement et la construction de cette théorie demeure un problème entier. Dans ce texte, nous passerons rapidement en revue certaines des approches proposées par Bunge dans ses publications et nous esquisserons certaines pistes qui devraient servir à tout le moins de desiderata pour la construction d’une théorie de la vérité partielle. (shrink)

Most contemporary proponents of scientific realism advocate some form of selective realism. One of the most prominent variants is the working posits view, which claims that the essential propositions of a successful theory are those that are involved in the actual derivations of predictions. In this paper, I offer a systematic examination of this view, surveying no fewer than six competing interpretations of it. I argue, however, that none is satisfactory. A general reason to reject the working posits view is (...) that it focuses on individual successful derivations, as opposed to the empirical success of a theory as a whole. In response to this, I suggest an alternative positive view, which regards as essential those theoretical posits which “unify” a diverse or large collection of other posits. (shrink)

The notion of objectivity is ambiguous. A distinction is made between three primary notions of objectivity: ontological objectivity, the objectivity of truth and epistemic objectivity. It is suggested that a realist may explain the relationship between the three notions by saying that use of epistemically objective methods stands the best chance of leading to the objective truth about the objective world.

Review of The Routledge Handbook of Scientific Realism by Juha Saatsi (ed.).

The development of the discussion on “Speculative Realism” and “Speculative Materialism” is very well documented. However, in order to better understand the overall project of this “New Realism” it is helpful to draw light to the genealogy and context in which the problem evolved in. In this paper, I map out a genealogy of the complex problem of “New Realism” in order to understand what it is that is “new” about this realism. The central argument of the paper is that (...) the new problem of realism is in essence a question of method, resulting from a tension between philosophical and sociological epistemology. (shrink)

This is a comment on Professor Holm Tetens' paper, 'Scientific Objectivity with a Human Face'.

This is a response to Dragan Jakowljewitsch's 'The Successes of Science and Scientific-Theoretical Realism: A Less Than Direct Connection'.

This is certainly true. Simulationists and experimentalists face equally relevant challenges when it comes to establishing that the results of their simulation or experiment are informative about the real world. But it is one thing to point this fact out, and it is another to understand how those challenges are overcome, under differing circumstances, and in varying contexts. It is here that Marcel Boumans’ contribution becomes especially valuable. He presents an example from economics in which a mathematical model performs the (...) role, not of a representational entity, but of a data sensor. Boumans argues, and I concur, that the manner in which such models are assessed is particularly interesting. They cannot be assessed merely by being confronted with facts about the world, since these models are themselves used in generating the relevant data about the phenomena in question. The relevant strategy for assessing these models is calibration. In other words, rather than being held side by side with the relevant bit of the world, the models are held up against other instruments that are antecedently believed to be reliable sources of data. (shrink)

My current opinion is that the selective realist is in a strong position vis-à-vis the historical challenges. Certainly the realist needs to invoke some careful criteria for realist commitment, and various nuances concerning the nature of her epistemic commitment, and this may raise the ‘death by a thousand qualifications’ question mark. But the concern is unfounded: the qualifications are all independently motivated, and indeed necessary given the philosophical complexity. Qualifications are to be welcomed here; often the truth is far from (...) simple! (shrink)

Many philosophers take mind-independence to be criterial for realism about kinds. This is problematic when it comes to psychological and social kinds, which are unavoidably mind-dependent. But reflection on the case of artificial or synthetic kinds shows that the criterion of mind-independence needs to be qualified in certain ways. However, I argue that none of the usual variants on the criterion of mind-dependence is capable of distinguishing real or natural kinds from non-real kinds. Although there is a way of modifying (...) the criterion of mind-independence in such a way as to rule in artificial kinds but rule out psychological and social kinds, this does not make the latter non-real. I conclude by proposing a different way of distinguishing real from non-real kinds, which does not involve mind-independence and does not necessarily exclude psychological and social kinds. (shrink)