Moorean arguments are a popular and powerful way to engage highly revisionary philosophical views, such as nihilism about motion, time, truth, consciousness, causation, and various kinds of skepticism (e.g., external world, other minds, inductive, global). They take, as a premise, a highly plausible first-order claim (e.g., cars move, I ate breakfast before lunch, it’s true that some fish have gills) and conclude from it the falsity of the highly revisionary philosophical thesis. Moorean arguments can be used against nihilists (...) in ethics (error theorists), too. Recently, error theorists have recognized Moorean arguments as a powerful challenge and have tried to meet it. They’ve argued that moral Moorean premises seem highly credible to us, but aren’t, by offering various debunking explanations. These explanations all appeal to higher-order evidence—evidence of error in our reasoning. I argue that drawing attention to higher-order evidence is a welcome contribution from error theorists, but that the higher-order evidence actually counts further against error theoretic arguments—including their debunking explanations—and further in favor of Moorean arguments and the commonsense views they support. Along the way I answer a few prominent objections to Moorean arguments: that they are objectionably question-begging, rely on categorizing some facts as “Moorean Facts”, and that reports of one’s credence in a proposition bears no interesting relation to that proposition’s credibility. (shrink)

Common sense has it that animals matter considerably less than humans; the welfare and suffering of a cow, a chicken or a fish are important but not as much as the welfare and suffering of a human being. Most animal ethicists reject this “speciesist” view as mere prejudice. In their opinion, there is no difference between humans and other animals that could justify such unequal consideration. In the opposite camp, advocates of speciesism have long tried to identify a difference that (...) would fit the bill, but they have consistently seemed to fail. In light of this, some naturally began to appeal to Moorean arguments: the case against speciesism must be flawed somehow, these philosophers maintain, because speciesism is supported by a strong and widespread intuition. This chapter draws on recent findings in social psychology to criticize this defence of speciesism. It argues that the strong and widespread intuition that humans count more than animals is epistemically defective because it is causally shaped by a pair of irrelevant influences: cognitive dissonance and tribalism. Accordingly, it is no suitable basis for a Moorean argument. (shrink)

A Moorean fact, in the words of the late David Lewis, is ‘one of those things that we know better than we know the premises of any philosophical argument to the contrary’. Lewis opens his seminal paper ‘Elusive Knowledge’ with the following declaration.

G. E. Moore famously argued against skepticism and idealism by appealing to their inconsistency with alleged certainties, like the existence of his own hands. Recently, some philosophers have offered analogous arguments against revisionary views about ethics such as metaethical error theory. These arguments appeal to the inconsistency of error theory with seemingly obvious moral claims like “it is wrong to torture an innocent child just for fun.” It might seem that such ‘Moorean’ arguments in ethics will stand or fall (...) with Moore’s own arguments in metaphysics and epistemology, in virtue of their shared structure. I argue that this is not so. I suggest that the epistemic force of the canonical Moorean arguments can best be understood to rest on asymmetries in indirect evidence. I then argue that this explanation suggests that Moorean arguments are less promising in ethics than they are against Moore’s own targets. I conclude by examining the competing attempt to vindicate Moorean arguments by appealing to Rawls’s method of reflective equilibrium. (shrink)

A well-known open problem in epistemic logic is to give a syntactic characterization of the successful formulas. Semantically, a formula is successful if and only if for any pointed model where it is true, it remains true after deleting all points where the formula was false. The classic example of a formula that is not successful in this sense is the “Moore sentence” p ∧ ¬BOXp, read as “p is true but you do not know p.” Not only is the (...) Moore sentence unsuccessful, it is self-refuting, for it never remains true as described. We show that in logics of knowledge and belief for a single agent (extended by S5), Moorean phenomena are the source of all self-refutation; moreover, in logics for an introspective agent (extending KD45), Moorean phenomena are the source of all unsuccessfulness as well. This is a distinctive feature of such logics, for with a non-introspective agent or multiple agents, non-Moorean unsuccessful formulas appear. We also consider how successful and self-refuting formulas relate to the Cartesian and learnable formulas, which have been discussed in connection with Fitch’s “paradox of knowability.” We show that the Cartesian formulas are exactly the formulas that are not eventually self-refuting and that not all learnable formulas are successful. In an appendix, we give syntactic characterizations of the successful and the self-refuting formulas. (shrink)

Philosophers have offered several apparently powerful arguments against the permissibility of eating meat. However, the idea that it is okay to eat meat can seem like a bit of ethical common sense. This paper examines the attempt to adapt one of the most influential philosophical defenses of common sense –G. E. Moore’s case against the skeptic andthe idealist –in support of the omnivore. I first introduce and explain Moore’s argument against the skeptic. I then explain how that argument can be (...) adapted to address two influential philosophical arguments against the omnivore, due to Tom Regan and James Rachels. The adapted Moorean arguments appear strikingly similar to the original. However, I argue that we should not simply assume that all Moorean arguments are created equal. Instead, I propose a set of principled criteria that can be used to test Moorean arguments on a case-by-case basis. Those criteria give the Moorean reason for optimism against the skeptic, but suggest that the Moorean’s case is much weaker against the ethical vegetarian. I conclude that the Moorean omnivore’s argument has potentially uncomfortable implications for all sides in debates about ethical vegetarianism, and illuminates important and neglected questions about the force of philosophical arguments in applied ethics. (shrink)

G. E. Moore famously pointed out that all sincere assertions of the form ‘p, but I don’t believe that p’ are inherently absurd. John Turri strongly disagrees with the consensus evaluation of such assertions as inherently absurd and offers a counterexample according to which it is possible to say ‘Eliminativism is true, but of course I don’t believe it’s true’ sincerely and without any absurdity. I argue in this paper that Turri’s attempt misses the point entirely, for the most natural (...) interpretations of his counterexample are either absurd or do not represent genuinely Moorean assertions. The critical analysis of Turri’s counterexample will enable me to reach the general conclusion that precludes the possibility of omissive Moorean assertions that are inherently non-absurd, at least if we hold that our assertions ought to have some normative function. (shrink)

This paper is about the moral status of those human beings with profound intellectual disabilities (PIDs). We hold the common sense view that they have equal status to ‘normal’ human beings, and a higher status than any non-human animal. We start with an admission, however: we don’t know how to give a fully satisfying theoretical account of the grounds of moral status that explains this view. And in fact, not only do we not know how to give such an account, (...) but the most satisfying account of moral status that we know (which we call ‘the standard account’) entails that our view is false. It entails that those with PIDs have a lower status than ordinary human beings and an equal status to non-human animals. Now, in this paper, we do absolutely nothing to try to show where the standard account goes wrong, and we do absolutely nothing to resolve the difficulties we see in developing an alternative account that supports our view. Indeed, we do not give any argument against the standard account or in favour of our own view. Instead, we raise the following question: in order to be justified in continuing to hold our view, are we obliged to give such an account? Our answer will be that we are not. (shrink)

In this paper Timothy Williamson’s argument that the knowledge norm of assertion is the best explanation of the unassertability of Morrean sentences is challenged and an alternative account of the norm of assertion is defended.

Moore's paradox is a paradox in which certain kinds of belief or assertion, such as a belief that ?it is raining and I do not believe that it is raining?, are irrational despite involving no obvious contradiction in what is believed. But is there a parallel paradox involving other kinds of attitude, in particular desire? I argue that certain kinds of desire would be irrational to have for similar, distinctive reasons that having Moorean beliefs would be irrational to have. (...) Hence, I argue that such desires, a desire that ?one have a particular desire that was frustrated? or a desire that ?some state of affairs obtain about which one was indifferent?, are a parallel Moorean paradox of desire. I further argue that this analogous paradox has implications for practical reasoning, in particular by presenting a problem for instrumentalism about the objects of desire. (shrink)

Several prominent ethical philosophers have attempted to demonstrate that there exist instances or types of value that are of crucial moral significance but which cannot legitimately be compared with one another. Bernard Williams and Michael Stocker, for example, argue that it can sometimes be rational to regret having chosen the all-things-considered better of two alternatives, and that this sense of regret entails that the goodness of the worse option is not made up for by and is therefore incommensurable with that (...) of the better. Joseph Raz and others have made similar points. In this paper, I propose a theory of value that is monistic in that it countenances just one sort of morally crucial value, but pluralistic in that several distinct properties bearer this value. I then explain how this view avoids incommensurable values without doing violence to the core intuitions that seemed to necessitate them, and how it fits into a larger conception of morality, right conduct, and moral psychology. (shrink)

In a recent paper we argued that a Moorean strategy can be employed to justify our continuing to believe the following proposition, even in the presence of philosophical views that entail it is false, without any philosophical argument against those views, and without any positive philosophical argument in its favour: -/- H>A: Humans have an equal moral status that is higher than the moral status of non-human animals. -/- The basic idea is that our confidence in the truth of (...) this proposition is greater than our confidence in the propositions that make up those philosophical views that entail it is false, and that this is sufficient to justify rejecting those views and to continue to believe H>A. -/- Roberts has recently responded to our argument by claiming: -/- (i) Although the Moorean strategy is valid, it is not powerful. (ii) A resort to the Moorean strategy reflects too great a pessimism about the accounts available that purport to justify H>A. -/- In this short rejoinder we explain why Roberts fails to establish his two claims. (shrink)

I argue that Moorean theories of value have a difficult time accommodating the resonance requirement, that is, the platitude that we should value what’s valuable, while a sophisticated reflective endorsement theory of value and the resonance requirement are perfectly consistent. To this extent, a sophisticated reflective endorsement theory has a significant advantage over the Moorean approach. The reflective endorsement theory that I endorse emphasizes systematic exposure to possible sources of satisfaction, as well as a similarity principle of practical (...) rationality. (shrink)

I argue that Moorean theories of value have a difficult time accommodating the resonance requirement, that is, the platitude that we should value what's valuable, while a sophisticated reflective endorsement theory of value and the resonance requirement are perfectly consistent. To this extent, a sophisticated reflective endorsement theory has a significant advantage over the Moorean approach. The reflective endorsement theory that I endorse emphasizes systematic exposure to possible sources of satisfaction, as well as a similarity principle of practical (...) rationality. (shrink)

This paper presents an attempt to solve Laura Valentini’s ideal theory paradox, in a way which makes me think of G.E. Moore but I shall leave the classification of the solution to the experts. I also discuss the claim that philosophy is so easy.

This paper is devoted to a solution to Moore's problem. After explaining what Moore's problem is and after considering the main approaches toward solving the problem, I provide a definition of Moorean sentences in terms of pure Moorean propositions. My solution to Moore's problem essentially involves a description of how one can contradict oneself without uttering a contradiction, and a set of definitions that exactly determines which sentences are Moorean and which are close relatives of Moorean (...) sentences. (shrink)

Earlier versions of this paper were presented at the University of Virginia and at Texas A&M University. I thank audiences at both institutions for their insightful comments. Special thanks to John Williams for his illuminating comments on an earlier draft. Research for this paper was supported in part by a Summer Grant from the Vice Provost for Research and Public Service at the University of Virginia. That support is here gratefully acknowledged.

Moore supposedly discovered that there are sentences of a certain form that, though they can be true, no rational human being can sincerely and truly utter any of them. MC and MO are particular instances:MC: “It is raining and I believe that it is not raining”MO: “It is raining and I don’t believe that it is raining”In this paper, I show that there are sentences of the same form as MC and MO that can be sincerely and truly uttered by (...) rational agents. We call sentences of the same form as MC and MO “Moorean Sentences”. In Part II, we go over a standard argument for why sentences of the same form as MC and MO cannot be sincerely and truly uttered, and we explain why this argument is unsound. In explaining why this argument is unsound, we rely on the context-sensitivity of belief-reports and show that the premises of the argument are not all true in the same context. We then employ a general theory of belief reports that incorporates guises to explain why our examples are sincerely utterable while Moore’s sentences are typically not sincerely utterable. The answer will turn on the suggestion that belief reports carry a hidden quantifier over guises, where the domain of quantification is determined by context. We conclude with general lessons about Moore’s Paradox and the supposed limits of first-person belief reports. (shrink)

I argue that Moore's propositions, for example, 'I went to the pictures last Tuesday but I don't believe that I did' cannot be rationally believed. Their assertors either cannot be rationally believed or cannot be believed to be rational. This analysis is extended to Moorean propositions such as God knows that I am an atheist and I believe that this proposition is false. I then defend the following definition of assertion: anyone asserts that p iff that person expresses a (...) belief that p with the intention of causing relevant epistemic change in the cognition of an actual or potential audience. (shrink)

Can we understand being valuable for in terms of being valuable? Three different kinds of puzzle cases suggest that the answer is negative. In what follows, I articulate a positive answer to this question, carefully present the three puzzle cases, and then explain how a friend of the positive answer can successfully respond to them. This response requires us to distinguish different kinds of value bearers, rather than different kinds of value, and to hold that among the value bearers are (...) totality states of affairs. The final section of the article discusses the possibility of organic unification without organic unities. (shrink)

We outline a novel solution to Moore’s paradox within the framework of update semantics, which explains Moorean absurdity in terms of non-cohesiveness. It is argued that, unlike the outlined solution, Gillies’ treatment of the paradox within this framework is not satisfactory.

I defend a sensitive neo-Moorean invariantism, an epistemological account with the following characteristic features: (a) it reserves a place for a sensitivity condition on knowledge, according to which, very roughly, S’s belief that p counts as knowledge only if S wouldn’t believe that p if p were false; (b) it maintains that the standards for knowledge are comparatively low; and (c) it maintains that the standards for knowledge are invariant (i.e., that they vary neither with the linguistic context of (...) the subject of knowledge nor with the linguistic context of the attributor of knowledge). I argue that this sort of account allows us to respond adequately to some difficult puzzles in epistemology, puzzles such as skeptical puzzles, as well as puzzles that inspire epistemological contextualism. I also maintain that by utilizing what Keith DeRose calls a warranted assertibility maneuver, sensitive neo-Moorean invariantism can account for our epistemic judgments in each of these puzzle cases. (shrink)

In this paper, I defend Moorean Dogmatism against a novel objection raised by Adam Leite. Leite locates the defectiveness of the Moorean reasoning explicitly not in the failure of the Moorean argument to transmit warrant from its premises to its conclusion but rather in the failure of an epistemic agent to satisfy certain epistemic responsibilities that arise in the course of conscious and deliberate reasoning. I will first show that there exist cases of Moorean reasoning that (...) are not put into jeopardy by the considerations that Leite presents. Second, I will argue that certain commitments of Leite’s concerning the notion of warrant are in tension with his verdict that the Moorean reasoning is defective. (shrink)

G. E. Moore famously observed that to say, “ I went to the pictures last Tuesday but I don’t believe that I did” would be “absurd”. Why should it be absurd of me to say something about myself that might be true of me? Moore suggested an answer to this, but as I will show, one that fails. Wittgenstein was greatly impressed by Moore’s discovery of a class of absurd but possibly true assertions because he saw that it illuminates “the (...) logic of assertion”. Wittgenstein suggests a promising relation of assertion to belief in terms of the idea that one “expresses belief” that is consistent with the spirit of Moore’s failed attempt to explain the absurdity. Wittgenstein also observes that “under unusual circumstances”, the sentence, “It’s raining but I don’t believe it” could be given “a clear sense”. Why does the absurdity disappear from speech in such cases? Wittgenstein further suggests that analogous absurdity may be found in terms of desire, rather than belief. In what follows I develop an account of Moorean absurdity that, with the exception of Wittgenstein’s last suggestion, is broadly consistent with both Moore’s approach and Wittgenstein’s. (shrink)

G. E. Moore famously offered a strikingly straightforward response to the radical sceptic which simply consisted of the claim that one could know, on the basis of one's knowledge that one has hands, that there exists an external world. In general, the Moorean response to scepticism maintains that we can know the denials of sceptical hypotheses on the basis of our knowledge of everyday propositions. In the recent literature two proposals have been put forward to try to accommodate, to (...) varying extents, this Moorean thesis. On the one hand, there are those who endorse an externalist version of contextualism, such as Keith DeRose, who have claimed that there must be some contexts in which Moore is right. More radically still, Ernest Sosa has expanded on this externalist thesis by arguing that, contra DeRose's contextualism, Moore may be right in all contexts. In this paper I evaluate these claims and argue that, suitably modified, one can resurrect the main elements of the Moorean anti-sceptical thesis. (shrink)

This article addresses and resolves an epistemological puzzle that has attracted much attention in the recent literature—namely, the puzzle arising from Moorean anti-sceptical reasoning and the phenomenon of transmission failure. The paper argues that an appealing account of Moorean reasoning can be given by distinguishing carefully between two subtly different ways of thinking about justification and evidence. Once the respective distinctions are in place we have a simple and straightforward way to model both the Wrightean position of transmission (...) failure and the Moorean position of dogmatism. The approach developed in this article is, accordingly, ecumenical in that it allows us to embrace two positions that are widely considered to be incompatible. The paper further argues that the Moorean Puzzle can be resolved by noting the relevant distinctions and our insensitivity towards them: once we carefully tease apart the different senses of ‘justified’ and ‘evidence’ involved, the bewilderment caused by Moore’s anti-sceptical strategy subsides. (shrink)

The main task is to discuss the issue in belief dynamics in which philosophical beliefs and rational introspective agents incorporate Moorean type new information. First, a brief survey is conducted on Moore’s Paradox, and one of its solutions is introduced with the help of Update Semantics. Then, we present a Dynamic Doxastic Logic (DDL) which revises the belief of introspective agents put forward by Lindström & Rabinowicz. Next, we attempt to incorporate Moorean type new information within the DEL (...) (DDL) framework, as advised by van Benthem, Segerberg et al. Though we maintain the principle of “the primacy of new information” from the literature on traditional belief revision theory, several unsuccessful ways are also presented. We then conclude that some special kind of success (weak success) can still be found in those revision processes although absolute success does not hold. At last, the relevant problem of “learnability” is re-considered through weak success. (shrink)

One of the most important views in the recent discussion of epistemological scepticism is Neo-Mooreanism. It turns a well-known kind of sceptical argument (the dreaming argument and its different versions) on its head by starting with ordinary knowledge claims and concluding that we know that we are not in a sceptical scenario. This paper argues that George Edward Moore was not a Moorean in this sense. Moore replied to other forms of scepticism than those mostly discussed nowadays. His own (...) anti-sceptical position turns out to be very subtle and complex; furthermore it changed over time. This paper follows Moore's views of what the sceptical problem is and how one should respond to it through a series of crucial papers with the main focus being on Moore's 'Proof of an External World'. An appendix deals with the much neglected relation between epistemological scepticism and moral scepticism in Moore. (shrink)

Metaethical Mooreanism is the view that without being able to explain how we know certain moral claims we can nevertheless be sure that we do know them. In this paper I focus on the Moorean argument against moral error theory. I conclude that it fails. To show this failure, I first distinguish Moorean claims from Moorean arguments, and then so-called presumptive support from dialogical support. With these distinctions in place, I argue that the key Moorean claim (...) requires dialogical support in order to be used within the Moorean argument against moral error theory, but metaethical Mooreans have only provided presumptive support for the Moorean claim. Not only is this presumptive support inadequate for fending off the moral error theory, it is doubtful that Mooreans can actually provide dialogical support for the key Moorean claim. (shrink)

Some metaphysicians believe that existence debates are easily resolved by trivial inferences from Moorean premises. This paper considers how the introduction of negative Moorean facts—negative existentials that command Moorean certainty—complicates this picture. In particular, it shows how such facts, when combined with certain plausible metaontological principles, generate a puzzle that commits the proponents of this method to a contradiction.

G. E. Moore argues that goodness is an intrinsic non-natural property that supervenes irreducibly on the intrinsic natural properties of its bearers. Accordingly, it is often supposed that “Moorean” supervenience is incompatible with physicalism, a naturalistic thesis. In this paper I argue that Moorean supervenience is not in itself incompatible with physicalism, Moore’s ethical non-naturalism notwithstanding. Understanding why will help us to better appreciate the full range of resources available to physicalists.

Knowledge‐fallibilism is a species of a genus that I call knowledge‐failabilism. Each is a theory of knowledge's nature. One apparent challenge to knowledge‐failabilism's truth is theprima facieabsurdity of Moorean assertions like ‘It's raining but I do not believe that it is.’ Does each such assertion convey an implicit and unfortunate contrast, even a contradiction? I argue that thisUntenable Contrast analysisfails: no such contrast is present within the speaker's perspective at the pertinent time.

My focus will be on two questions about Moore’s justification to believe the premises and the conclusion of the argument above. At stake is what makes it possible for our experiences to justify our beliefs, and what makes it possible for us to be justified in disbelieving skeptical..

The paper analyzes the nature and scope of Moore’s paradox, articulates the desiderata of a successful solution and claims that psychological expressivism best meets these desiderata. After a brief discussion of prominent responses to Moore’s paradox, the paper offers a solution based on a theory of expressive acts: a Moorean utterance is absurd because the speaker expresses mental states with conflicting contents in commissive versions of the paradox and conflicting states of mind in omissive versions. The paper presents a (...) theory of expressivism for self-ascriptions of mental states. In addition, it introduces the idea of expressive denegation—the speaker’s expressing the absence of a mental state—as an analysis of negative self-ascriptions of mental states. Some of the consequences of expressivism for avowals are explored. (shrink)

How Moore’s open question argument works, insofar as it does, remains a matter of controversy. My purpose here is to construct an open question argument based on a novel interpretation of how Moore’s argument might work. In order to sidestep exegetical questions, I do not claim here to be offering Moore’s own argument. Rather, I offer a reconstruction making use of important elements of Moore’s methodology and assumptions that could be reasonable within a Moorean viewpoint. The crucial role within (...) the argument is played by what I call the real thought move. I show that the reconstructed argument is more defensible from some standard objections than the common construction. I finish by drawing attention to a neglected objective that would make sense within Moore’s viewpoint, showing that it fits with a major commitment of Bonjour’s moderate rationalism, and show how the package might be important for the non-naturalist today. (shrink)

It has been argued that moral assertions involve the possession, on the part of the speaker, of appropriate non-cognitive attitudes. Thus, uttering ‘murder is wrong’ invites an inference that the speaker disapproves of murder. In this paper, we present the result of 4 empirical studies concerning this phenomenon. We assess the acceptability of constructions in which that inference is explicitly canceled, such as ‘murder is wrong but I don’t disapprove of it’; and we compare them to similar constructions involving ‘think’ (...) instead of ‘disapprove’—that is, Moore paradoxes (‘murder is wrong but I don’t think that it is wrong’). Our results indicate that the former type of constructions are largely infelicitous, although not as infelicitous as their Moorean counterparts. (shrink)

In this paper I discuss and try to remove some major stumbling blocks for a Moorean buck-passing account of reasons in terms of value (MBP): There is a pro tanto reason to favour X if and only if X is intrinsically good, or X is instrumentally good, or favouring X is intrinsically good, or favouring X is instrumentally good. I suggest that MBP can embrace and explain the buck-passing intuition behind the far more popular buck-passing account of value, and (...) has the means to avoid the wrong kind of reasons problem. Further, I counter the common suspicion that a Moorean account cannot make sense of deontological views such as Ross’s, and that it generally leaves no room for agent-relative reasons. In order to do this, I appeal to the idea that a Moorean account does not dictate the substantive view that values have to be maximized. In some cases, expressing them might be a better response. Finally I lay out and reply to a potentially devastating argument to the effect that a Moorean account makes oughts and reasons non-normative. I also criticize Scanlon’s attempt to favour his own buck-passing account via consideration of the open question argument. MBP thus emerges as a live option in the buck-passing debate. (shrink)

G. E. Moore observed that to for me to assert, “I went to the pictures last Tuesday but I don’t believe that I did” would be “absurd”. Over half a century later, the explanation of the nature of this absurdity remains problematic. Such assertions are unlike semantically odd Liar-type assertions such as “What I’m now saying is not true” since my Moorean assertion might be true: you may consistently imagine a situation in which I went to the pictures last (...) Tuesday but fail to believe that I did. Moreover, if you contradict my assertion then your words, “If he went to the pictures last Tuesday then he believes he did” do not express a necessary truth1. Nonetheless it remains absurd of me to assert that p and I don’t believe that p. It seems no less absurd of me to silently judge that p and I don’t believe that p2. But why should it be absurd of me to assert something that might be true of me? Why should it be absurd of me to believe something that might be true of me? (shrink)

In a dissonance case, a person sincerely and with conviction asserts that P, while her overall automatic behaviour suggests that she believes that not-P. In contrast with several mainstream views, this paper defends the contradictory-belief view of some relevant dissonance cases and explores its consequences regarding Moorean propositions. The paper argues that in relevant cases, the dissonant person is justified in asserting a Moorean proposition on the grounds of her explicit view on the subject matter and the recognition (...) of her opposing beliefs. The person is irrational in being dissonant, but not in asserting a Moorean proposition. (shrink)