A century after its publication, G.E. Moore''sPrincipia Ethica stands as one of theclassic statements of anti-naturalism inethics. Moore claimed that the most basic ethicalproperties were denoted by `good'' and `bad'' andthat all naturalist accounts of thoseproperties were inadequate. His open-questionargument aimed to refute any proposedidentification of good with some naturalproperty, and Moore concluded from theargument that good must be a nonnaturalproperty.The received view is that the open-questionargument is a failure. In this paper,my aim is to breathe some life back intoMoore''s (...) argument. My plan for doing so beginsby presenting the standard interpretation ofthe argument and then showing that there isan alternative to that interpretation. Thealternative is not developed at any length byMoore and stands in need of some elaboration. Isuggest a way of elaborating theargument and then show that the standardcriticisms of Moore fail to undermine thisalternative version of the open-questionargument. (shrink)

A standard strategy for defending a claim of non-identity is one which invokes Leibniz’s Law. (1) Fa (2) ~Fb (3) (∀x)(∀y)(x=y ⊃ (∀P)(Px ⊃ Py)) (4) a=b ⊃ (Fa ⊃ Fb) (5) a≠b In Kalderon’s view, this basic strategy underlies both Moore’s Open Question Argument (OQA) as well as (a variant formulation of) Frege’s puzzle (FP). In the former case, the argument runs from the fact that some natural property—call it “F-ness”—has, but goodness lacks, the (2nd order) property of its (...) being an open question whether everything that instantiates it is good to the conclusion that goodness and F-ness are distinct. And in the latter case, the argument runs from the fact that that Hesperus has, but Phosphorus lacks, the property of being believed by the ancient astronomers to be visible in the evening sky to the conclusion that Hesperus and Phosphorus are distinct. Kalderon argues that both the OQA and FP fail because in neither case is there good reason to believe that both (1) and (2) are true. The reason we are tempted to believe that they are true is because we mistake de dicto claims for de re claims. In order for FP to go through, the truth of the following de re claims needs to be established: FP1) Hesperus was believed by the ancient astronomers to be visible in the evening sky. (shrink)

This paper considers normative naturalism, understood as the view that (i) normative sentences are descriptive of the way things are, and (ii) their truth/falsity does not require ontology beyond the ontology of the natural world. Assuming (i) for the sake of argument, I here show that (ii) is false not only as applied to ethics, but more generally as applied to practical and epistemic normativity across the board. The argument is a descendant of Moore's Open Question Argument and Hume's Is-Ought (...) Gap. It goes roughly as follows: to ensure that natural ontology suffices for normative truth, there must be semantically grounded entailments from the natural truths to the normative truths. There are none. So natural ontology does not suffice for normative truth. (shrink)

Published (in Swedish) in the journal Filosofisk tidskrift as "Hedonistisk naturalism", 2011/3.

In Finite and Infinite Goods, Robert Adams defends his metaphysical account that good is resemblance to God via an ‘open-question’ intuition. It is, however, unclear what this intuition amounts to. I give two possible readings: one based on the semantic framework Adams employs, and another based on Adams's account of humankind's epistemological limitations. I argue that neither of these readings achieves Adams's advertised aim.

An important and widely-endorsed argument for moral realism is based on alleged parallels between that doctrine and epistemic realism -- roughly the view that there are genuine epistemic facts, facts such as that it is reasonable to believe that astrology is false. I argue for an important disanalogy between moral and epistemic facts. Epistemic facts, but not moral facts, are plausibly identifiable with mere descriptive facts about the world. This is because, whereas the much-discussed moral open-question argument is compelling, the (...) little-discussed epistemic open-question argument is not. This paper is a critical notice of Terence Cuneo's The Normative Web: An Argument for Moral Realism (Oxford University Press, 2007). (shrink)

The essay argues that, on their usual metalinguistic reconstructions, the open question argument and Frege’s puzzle are variants of the same argument. Each are arguments to a conclusion about a difference in meaning; each deploy compositionality as a premise; and each deploy a premise linking epistemic features of sentences with their meaning (which, given certain meaning-platonist assumptions, can be interpreted as a universal instantiation of Leibniz’s law). Given these parallels, each is sound just in case the other is. They are, (...) in fact, unsound. The essay first argues that reformulations of these arguments directly in terms of Leibniz’s law are unsound and then that subarguments of the metalinguistic versions are unsound for structurally similar reasons. Finally, given how the theory/observation distinction is deployed in linguistic practice, the meaning-platonist assumptions are shown to be optional. (shrink)

Parfit argues that naturalistic theories that seek to understand normative concepts either as simply descriptive of certain natural facts about our desires or as expressive of our desires commit us to a bleak normative nihilism whereby nothing matters. I here defend such naturalism, in particular its expressivist variety, against this charge. It is true that such views commit us to there being no reasons as Parfit understands them. But for Parfit to suppose that equivalent to there being no reasons leaves (...) him begging the question where the relative credibility of these rival understandings is just what is at issue. 1. (shrink)

More than a century ago, G. E. Moore famously attempted to refute all versions of moral naturalism by offering the open question argument (OQA) followed by the “naturalistic fallacy” charge (NF).1 Although there is consensus that this extended inference fails to undermine all varieties of moral naturalism, OQA is often vindicated as an argument against analytical moral naturalism. By contrast, NF usually finds no takers at all. ln this paper we argue that analytical naturalism of the sort recently proposed by (...) Frank Jackson and Michael Smith does after all rest on a mistake — though perhaps not the NF. Analytical moral naturalism is roughly the doctrine that some moral predicates and sentences are a priori equivalent to predicates and sentences framed in non-moral terms (Jackson 2003: 558). Given moral naturalism, it is at least possible that there are some such a priori or conceptual equivalences. But a properly construed OQA challenges this reductive strategy by showing that it is open to doubt on a priori grounds. We further contend that, in the dialectical context created by our OQA, a "digging in the heeis" defense of the strategy would beg the question. ll.. (shrink)

Ethics . . . [is] partly analysis of what’s meant by ‘good’, ‘ought’, ‘right’, ‘wrong’, ‘valuable’, etc. And if certain analyses of these are right, then other ethical propositions, ones which aren’t analytic, wouldn’t be philosophical at all, but belong to psychology, sociology, and the theory of evolution.

Someone who knew everything about the world’s physical nature could, apparently, suffer from ignorance about various aspects of conscious experience. Someone who knew everything about the world’s physical and mental nature could, apparently, suffer from moral ignorance. Does it follow that there are ways the world is, over and above the way it is physically or psychophysically? This paper defends a negative answer, based on a distinction between knowing the fact that p and knowing that p. This distinction is made (...) intelligible by reference to criterial connections between the possession of moral or phenomenal knowledge, and the satisfaction of cognitively neutral conditions of desire and experiential history. The existence of such connections in the moral case makes for an efficient dissolution of the so-called moral problem. (shrink)

It doesn’t seem possible to be a realist about the traditional Christian God while claiming to be able to reduce God talk in naturalistically acceptable terms. Reduction, in this case, seems obviously eliminativist. Many philosophers seem to think that the same is true of the normative—that reductive “realists” about the normative are not really realists about the normative at all, or at least, only in some attenuated sense. This paper takes on the challenge of articulating what it is that makes (...) reductive theological realism look hopeless, with the aim of explaining why we should think that the normative is relevantly different. Although it follows from my diagnosis that reductivists have their work cut out for them, I find nothing which suggests that the prospects for a successful reductive realism about the normative are in any way diminished—particularly for reductive views about reasons. Even reductivists, I argue, can at least aspire to a realism that is robust. (shrink)

The purpose of this paper is to defend G. E. Moore's open question argument, understood as an argument directed against analytic reductionism, the view that moral properties are analytically reducible to non-moral properties. In the first section I revise Moore's argument in order to make it as plausible and resistant against objections as possible. In the following two sections I develop the argument further and defend it against the most prominent objections raised against it. The conclusion of my line of (...) reasoning is that the open question argument offers the best explanation of our responses to the questions put in the argument, namely that analytic reductionism is mistaken. (shrink)

The naturalistic fallacy is a source of much confusion. In what follows I will explain what G. E. Moore meant by the naturalistic fallacy, give modern day examples of it then mention some of the different types of views it has spawned. Finally, I will consider a few criticisms of it.

The aim of the paper is to critically assess the idea that reasons for action are provided by desires (the Model). I start from the claim that the most often employed meta-ethical background for the Model is ethical naturalism; I then argue against the Model through its naturalist background. For the latter purpose I make use of two objections that are both intended to refute naturalism per se. One is G. E. Moore’s Open Question Argument (OQA), the other is Derek (...) Parfit’s Triviality Objection (TO). I show that naturalists might be able to avoid both objections in case they can vindicate the reduction proposed. This, however, leads to further conditions whose fulfillment is necessary for the success of vindication. I deal with one such condition, which I borrow from Peter Railton and Mark Schroeder: the demand that naturalist reductions must be tolerably revisionist. In the remainder of the paper I argue that the most influential versions of the Model are intolerably revisionist. The first problem concerns the picture of reasons many recent formulations of the Model advocate. By using an objection from Michael Bedke I show that on this interpretation obvious reasons won’t be accounted for by the Model. The second problem concerns idealization that is also often part of the Model. Invoking an argument by Connie Rosati, I show that the best form of idealization, the ideal advisor account, is inadequate. Hence, though not knock down arguments as they were intended to be, OQA and TO do pose a serious threat to the Model. (shrink)

The paper examines Derek Parfit’s claim that naturalism trivializes the agent’s practical argument and therefore abolishes the normativity of its conclusion. In the first section, I present Parfit’s charge in detail. After this I discuss three possible responses to the objection. I show that the first two responses either fail or are inconclusive. Trying to avoid Parfit’s charge by endorsing irreductionist naturalism is not a solution because this form of naturalism is metaphysically untenable. Non- descriptive naturalism, on the other hand, (...) does not answer the pressing concern behind Parfit’s charge. I conclude that we had better turn to the third response: Peter Railton’s vindicatory reductionism. However, I also argue that naturalism can only avoid triviality in this way if it is able to respond to further challenges concerning the vindication of the reduction it proposes. Hence, though not a knockdown argument as it is intended to be, Parfit’s charge can still pose a threat to naturalist accounts of normativity. (shrink)

I consider metaethics to be a sub-branch of moral philosophy. Some of the most central questions in metaethical inquiry include the following: • What are the natures of the meanings of moral terms? • If there are such things as moral properties (rightness, wrongness, goodness, badness, etc.), what are their natures?