Andrew Melnyk

When a belief is cited as part of the explanation of an agent's behaviour, it seems that the belief is explanatorily relevant in virtue of its content. In his Explaining Behavior, Dretske presents an account of belief, content, and explanation according to which this can be so. I supply some examples of beliefs whose explanatory relevance in virtue of content apparently cannot be accounted for in the Dretskean way. After considering some possible responses to this challenge, I end by discussing how serious these counterexamples are for Dretske's account.

We experience the intuition of distinctness when, for example, we attend introspectively to the phenomenal redness of a current visual sensation and it seems to us that that very property could not literally be a physical property of neural activity in a certain tiny region of our brain. The book begins by arguing that the intuition of distinctness underlies certain otherwise puzzling attitudes manifested in debates both inside and outside philosophy about whether physicalism (or materialism) can accommodate phenomenal properties (or qualia). It then argues systematically against the dualist suggestion that the intuition of distinctness gives us reason to reject the physicalist view that phenomenal properties are physical, and to adopt property dualism instead. In the course of the argument, it defends an unorthodox version of representationalism and offers positive accounts of what makes our introspective knowledge of phenomenal properties special, how introspection could tell us that an introspected property is physical, and what the subjectivity of phenomenal properties could be. Finally, after critically surveying previous attempts to account for the intuition of distinctness consistently with physicalism, it elaborates a novel explanation of the intuition of distinctness. The intuition arises because introspection is, in a certain way, conceptually encapsulated, as a result of which we are unable to do something that we can do in the case of every other kind of identity claim that we believe or entertain, and therefore unable to believe, or even to imagine believing, that an introspected phenomenal property is physical.

Late twentieth-century physicalism—here understood, broadly, as a comprehensive view about the nature of contingent reality, rather than, narrowly, as a view about the relation of the mental to the physical—is widely regarded as the descendant of the materialist hypotheses familiar from the history of philosophy both ancient and modern. This chapter contends that contemporary physicalism differs significantly from historical hypotheses of materialism, significantly enough that the prospects for physicalism cannot be inferred from those for materialism. The chapter brings out these differences by identifying the two main challenges faced by philosophers who want to revive the materialist hypotheses of earlier centuries, and then indicating the author’s possibly idiosyncratic view of how these challenges are best overcome. The first challenge is to formulate physicalism adequately, so that it is interesting but neither obviously true nor obviously false; the second challenge is to specify what would count as empirical evidence for an adequately-formulated hypothesis of physicalism. The chapter’s survey of responses to these two challenges constitutes an opinionated history of central aspects of the past fifty (or so) years of philosophical reflection on physicalism.

Can two-dimensional semantics provide a foundation for linguistic analysis, i.e., the conceptual analysis of words in a natural language? I make a case for skepticism. I argue that, even if the two-dimensionalist account of linguistic analysis is true, practitioners of linguistic analysis who reflect on the account have an undermining defeater for the belief-forming process that is claimed to operate in linguistic analysis. The defeater is the fact that, given the available evidence, the two-dimensionalist account of linguistic understanding is not clearly more probable than an externalist account on which linguistic analysis does not constitute a reliable belief-forming process.

This paper argues in unprecedented empirical and philosophical detail that, given only what science has discovered about pain, we should prefer the materialist hypothesis that pains are purely material over the dualist hypothesis that they are immaterial. The empirical findings cited provide strong evidence for the thesis of empirical supervenience: that to every sort of introspectible change over time in pains, or variation among pains at a time, there corresponds in fact a certain sort of simultaneous neural change over time, or variation at a time. The empirical supervenience of pain on the neural is shown in turn to favor the hypothesis that pains are, in a sense that is made precise, purely material.

Gillett's goal is to articulate and defend a view of the nature of thought that opposes the widely-accepted view that thoughts are internal states whose representational content is owed to causal connections with the environment, and whose interactions play a part in the causation of behavior. According to Gillett, discourse about human mental activity is not about goings-on in an inner realm of causal representational states". What is it about, then? Gillett's alternative view rests entirely upon an account of the nature of concepts. "To grasp a concept is to master a principled way of responding to the world involving techniques of selected attention and directed search for criterial information which reveals whether a presentation instances the concept in question". Two features of Gillett's account deserve emphasis. First, it turns out that responding to the world in "a principled way" is not merely a matter of responding to it in a de facto rule-governed way: "In using a concept, a thinker does not merely respond but can represent to himself the fact that a norm governs that response and is independent of it". Second, the responses to the world which concept-mastery requires are meant to be public responses, apparently taking the form of judgements expressed in a natural language.

This critical study aims mainly to do two things: (i) throw some cold water on the claim that supervenience can be used to formulate a doctrine of non-reductive physicalism, and (ii) rebut an argument for physicalism offered (separately) by David Papineau and Barry Loewer. The title alludes to the following lyric from "Mary Poppins", and was intended to hint that there is less to supervenience than meets the eye: It's supercalifragilisticexpialidocious Even though the sound of it is something quite atrocious If you say it loud enough, you'll always sound precocious Supercalifragilisticexpialidocious

Substantial review of Michael Rea's, World without design: the ontological consequences of naturalism. It is an improved version of my paper, "Rea On Naturalism" in Philo, 2004, revised in light of Rea's comments on the earlier paper. The discussion focuses on Rea’s case for three of his theses: that naturalism must be viewed as a ‘research programme’; that naturalism ‘cannot be adopted on the basis of evidence’, as he puts it; and that naturalists cannot be justified in accepting realism about material objects.

Derk Pereboom has recently elaborated a formulation of non-reductive physicalism in which supervenience does not play the central role and realization plays no role at all; he calls his formulation “robust non-reductive physicalism”. This paper argues that for several reasons robust non-reductive physicalism is inadequate as a formulation of physicalism: it can only rule out fundamental laws of physical-to-mental emergence by stipulating that there are no such laws; it fails to entail the supervenience of the mental on the physical; it appeals to two relations that are physicalistically unacceptable; and it rules out certain epistemically possible ways that the world might turn out to be according to current physics. This paper further argues that the difficulties faced by Pereboom’s robust non-reductive physicalism can all be avoided if physicalism is instead formulated by appeal to a carefully-defined relation of realization.

The subject of this thesis is physicalism, understood not as some particular doctrine pertaining narrowly to the philosophy of mind, but rather as a quite general metaphysical claim to the effect that everything is, or is fundamentally, physical. Thus physicalism explicates the thought that in some sense physics is the basic science. The aim of the thesis is to defend a particular brand of physicalism, which I call eliminative type physicalism. It claims, roughly, that every property is a physical property, a property mentioned in the laws of physics, and hence that any putative property not identifiable with a physical property must be eliminated from our ontology. Eliminative type physicalism is apt to face three objections, and so my thesis, like Caesar's Gaul, falls into three parts. In the first, I argue against the idea that there are tenable positions, both physicalist and non-physicalist, alternative to eliminative type physicalism. I argue that each of these positions token physicalism (Fodor, middle Putnam), supervenience physicalism (Lewis, Horgan) and and a non-physicalist view I call pluralism (Goodman, late Putnam) is defective. In the second part, responding to the objection that there is just no reason to be a physicalist, I develop a positive argument for eliminative type physicalism, an argument resting upon a strong version of the explanatory test for reality according to which only explanatorily indispensable properties can justifiably be said to exist. In the third and final part, I argue, against the charge that eliminative type physicalism cannot accommodate what I call phenomenal properties (qualia, raw feels etc.), that there is no good reason to deny, and one good reason to affirm, that phenomenal properties just are physical properties.

If physicalism is true (e.g., if every event is a fundamental-physical event), then it looks as if there is a fundamental-physical explanation of everything. If so, then what is to become of special scientific explanations? They seem to be excluded by the fundamental-physical ones, and indeed to be excellent candidates for elimination. I argue that, if physicalism is true, there probably is a fundamental-physical explanation of everything, but that nevertheless there can perfectly well be special scientific explanations as well, notwithstanding eliminativist scruples concerning overdetermination and Ockham's Razor

A Physicalist Manifesto is a full treatment of the comprehensive physicalist view that, in some important sense, everything is physical. Andrew Melnyk argues that the view is best formulated by appeal to a carefully worked-out notion of realization, rather than supervenience; that, so formulated, physicalism must be importantly reductionist; that it need not repudiate causal and explanatory claims framed in non-physical language; and that it has the a posteriori epistemic status of a broad-scope scientific hypothesis. Two concluding chapters argue in detail that contemporary science provides no significant empirical evidence against physicalism and some considerable evidence for it. Written in a brisk, candid and exceptionally clear style, this 2003 book should appeal to professionals and students in philosophy of mind, metaphysics and philosophy of science.

  Discussion of Searle's case against strong AI has usually focused upon his Chinese Room thought-experiment. In this paper, however, I expound and then try to refute what I call his abstract argument against strong AI, an argument which turns upon quite general considerations concerning programs, syntax, and semantics, and which seems not to depend on intuitions about the Chinese Room. I claim that this argument fails, since it assumes one particular account of what a program is. I suggest an alternative account which, however, cannot play a role in a Searle-type argument, and argue that Searle gives no good reason for favoring his account, which allows the abstract argument to work, over the alternative, which doesn't. This response to Searle's abstract argument also, incidentally, enables the Robot Reply to the Chinese Room to defend itself against objections Searle makes to it