Online research in philosophy

Michael Dummett has interpreted and expounded upon intuitionism under the influence of Wittgensteinian views on language, meaning and cognition. I argue against the application of some of these views to intuitionism and point to shortcomings in Dummett's approach. The alternative I propose makes use of recent, post-Wittgensteinian views in the philosophy of mind, meaning and language. These views are associated with the claim that human cognition exhibits intentionality and with related ideas in philosophical psychology. Intuitionism holds that mathematical constructions are mental processes or objects. Constructions are, in the first instance, forms of consciousness or possible experience of a particular type. As such, they must be understood in terms of the concept of intentionality. This view has a historical basis in the literature on intuitionism. In a famous 1931 lecture Heyting in fact identifies constructions with fulfilled or fulfillable mathematical intentions. I consider some of the consequences of this identification and contrast them with Dummett's views on intuitionism.

Any metaethicist tempted to dismiss a defense of moral intuitionism as too flaky to merit serious attention should think twice. Ethical Intuitionism is a forceful, clear, original, and intelligent piece of philosophy, and Michael Huemer can be proud of his efforts. He proceeds by identifying an exhaustive list of five possible metaethical positions, then knocks down four until only his favored intuitionism remains. One of the advantages of any such “last man standing” strategy is that even the most hardened opponent is likely to be cheering on the author at least a lot of the time: The noncognitivist will support the demolition of subjectivism, the naturalist will applaud the humbling of the noncognitivist, and so on. Speaking as a moral error theorist, I was myself nodding along as Huemer undermined first the noncognitivist, then the subjectivist, and then the reductive naturalist. Yet even here, where my sympathies lay firmly with Huemer’s negative conclusions, I could perceive avenues for reply against his charges. But I don’t at present have the luxury of space to speak in defense of those whom I would, on other occasions and on other grounds, myself attack. Let them tell their own tales. I remain more-or-less on Huemer’s side through the first four chapters, and it is not until he gets to the case against moral nihilism that my own favorite view comes under attack. Thus, for the remainder, I shall don my moral nihilist’s hat and speak against Huemer’s dismissal of that viewpoint.

A discussion of the role played by the notion of Descriptive as distinct from Revisonary Metaphysics in the works of P F Strawson amongst others.

This paper outlines and defends a moderate intuitionism. The point of departure is the intuitionism of W. D. Ross (1930) in The Right and the Good, conceived as ethically pluralist and epistemologically rationalist. The paper articulates a conception of self-evidence – including mediate as well as immediate kinds – appropriate to a moderate intuitionism, explores some of the resources and varieties of that position, and considers some problems and prospects for a rationalist version of intuitionism. The final section addresses the issue of how best to conceive the nature and grounds of prima facie duty, the problem of whether intuitionism can adequately deal with conflicts of prima facie duties, and the question of how satisfactorily a moderate intuitionism can account for the epistemic status of moral judgments of overall duty and their connection with rational action.

According to moral intuitionism, moral properties are objective, but our cognitions of them are not always based on premises. In this paper, I develop a novel version of moral intuitionism and argue that this new intuitionism is worthy of closer attention. The intuitionistic theory I propose, while inspired by the early twentieth-century intuitionism of W. D. Ross, avoids the alleged errors of his view. Furthermore, unlike Robert Audi's contemporary formulation of intuitionism, my theory has the resources to account for the noninferential character of particular, as opposed to merely general, moral beliefs. I achieve this result by avoiding the appeal to self-evidence to explain the possibility of noninferential moral knowledge.

This book defends a form of ethical intuitionism, according to which (i) there are objective moral truths; (ii) we know some of these truths through a kind of immediate, intellectual awareness, or "intuition"; and (iii) our knowledge of moral truths gives us reasons for action independent of our desires. The author rebuts all the major objections to this theory and shows that the alternative theories about the nature of ethics all face grave difficulties.

The main ideas behind Brouwer’s philosophy of Intuitionism are presented. Then some critical remarks against Intuitionism made by William Tait in “Against Intuitionism” [Journal of Philosophical Logic, 12, 173–195] are answered.