A. J. Ayer

A. J. Ayer's empiricist criterion of meaning was supposed to have sorted all statements into nonsense on the one hand, and tautologies or genuinely factual statements on the other. Unfortunately for Ayer, it follows from classical logic that his criterion is trivial - it classifies all statements as either tautologies or genuinely factual, but none as nonsense. However, in this paper I argue that Ayer's criterion of meaning can be defended from classical proofs of its triviality by the adoption of (...) a relevant logic - an idea which is motivated because, according to Ayer, the genuinely factual statements are those which observation is relevant to. (shrink)

The age-old question “What is truth?” is not an unambiguous one. There are at least two different meanings. In one sense, it is a semantic question about the meaning of the word “truth” and/or a metaphysical question about the nature of the property of truth, that is, how truth can be defined in terms of other notions, if it is definable at all. In another sense, it is an epistemological question about the criterion or test of truth, that is, how (...) we can recognize or accept (empirical) propositions as true. Ayer, in Language, Truth and Logic (LTL) and some other articles, tried to convince us that when we attempt to elucidate a theory of truth, we are only engaging in the epistemological project of finding the criterion of truth. This anti-semantical and anti-metaphysical view is based on Ayer’s (radical) deflationism about truth. In this chapter, I will argue that since Ayer did not accept that the criterion of truth is intimately related to the concept of truth, he can be seen as a deflationist about the nature of truth and as an advocate of a certain (Schlickian) kind of correspondence conception about the criterion of truth. His position would not be tenable if he had maintained what some of his contemporaries accepted, namely that there is a close connection between the two truth-theoretical tasks: the definitional and the criterial one. (shrink)

The ‘between Wars’ period in England in the early twentieth century was extraordinary, philosophically. It was marked by a profusion of new, controversial, and revolutionary ideas. Developments in formal logic, the rise of the method of ‘analysis’, and logical atomism were already changing the face of philosophy in England. From this mix emerged two distinctive views about language and its connection to philosophical methodology: one championing the concept of an ideal language; and one rejecting this and favoring appeal to ordinary (...) language. The origin of both views is to be found in the (earlier and later) work of Ludwig Wittgenstein. In this paper, I will examine the emergence of these views in relation to one another: an ideal language conception represented by A.J. Ayer in his Language, Truth and Logic, and the reaction against this conception in the early phases of ordinary language philosophy, in particular in the work of John Wisdom. (shrink)

A. J. Ayer’s Language, Truth, and Logic had been responsible for introducing the Vienna Circle’s ideas, developed within a Germanophone framework, to an Anglophone readership. Inevitably, this migration from one context to another resulted in the alteration of some of the concepts being transmitted. Such alterations have served to facilitate a number of false impressions of Logical Empiricism from which recent scholarship still tries to recover. In this paper, I will attempt to point to the ways in which LTL has (...) helped to foster the various mistaken stereotypes about Logical Empiricism which were combined into the received view. I will begin by examining Ayer’s all too brief presentation of an Anglocentric lineage for his ideas. This lineage, as we shall see, simply omits the major 19th century Germanophone influences on the rise of analytic philosophy. The Germanophone ideas he presents are selectively introduced into an Anglophone context, and directed towards various concerns that arose within that context. I will focus on the differences between Carnap’s version of the overcoming of metaphysics, and Ayer’s reconfiguration into what he calls the elimination of metaphysics. Having discussed the above, I will very briefly outline the consequences that Ayer’s radicalisation of the Vienna Circle’s doctrines had on the subsequent Anglophone reception of Logical Empiricism. (shrink)

Ayer’s critique of Metaphysics is much indebted to Hume and Kant’s pioneering appraisals of metaphysics. Its uniqueness lies mainly in the attempt to ground the rejection of metaphysics on a linguistic basis rather than epistemic premise as Hume and Kant before him. Yet it remains to be seen whether Ayer’s initiative fares better than its predecessors in discrediting metaphysics.

Most analytic philosophers are atheists, but is there a deep connection between analytic philosophy and atheism? The paper argues a) that the founding fathers of analytic philosophy were mostly teenage atheists before they became philosophers; b) that analytic philosophy was invented partly because it was realized that the God-substitute provided by the previously fashionable philosophy - Absolute Idealism – could not cut the spiritual mustard; c) that analytic philosophy developed an unhealthy obsession with meaninglessness which led to a new kind (...) of atheism that dismissed talk of God as factually meaningless (neither true nor false) rather than meaningful but false; but d) that this new-fangled atheism (unlike the old-fashioned atheism of the founders) is false, since it relies on theories of meaning – verificationism and falsificationism – which are themselves false. The primary focus is on Bertrand Russell, though other analytic philosophers such as Ayer, Neurath and Flew are also extensively discussed. (shrink)

(2013). Is the Royaumont Colloquium the Locus Classicus of the Divide Between Analytic and Continental Philosophy? Reply to Overgaard. British Journal for the History of Philosophy: Vol. 21, No. 1, pp. 177-188. doi: 10.1080/09608788.2012.689751.

In contrast to many of his contemporaries, A. J. Ayer was an analytic philosopher who had sustained throughout his career some interest in developments in the work of his ‘continental’ peers. Ayer, who spoke French, held friendships with some important Parisian intellectuals, such as Camus, Bataille, Wahl and Merleau-Ponty. This paper examines the circumstances of a meeting between Ayer, Merleau-Ponty, Wahl, Ambrosino and Bataille, which took place in 1951 at some Parisian bar. The question under discussion during this meeting was (...) whether the sun existed before humans did, over which the various philosophers disagreed. This disagreement is tangled with a variety of issues, such as Ayer’s critique of Heidegger and Sartre, Ayer’s response to Merleau-Ponty’s critique of empiricism, and Bataille’s response to Sartre’s critique of his notion of ‘unknowing’, which uncannily resembles Ayer’s critique of Sartre. Amidst this tangle one finds Bataille’s statement that an ‘abyss’ separates English from French and German philosophy, the first recorded announcement of the analytic-continental divide in the twentieth century. (shrink)

_Philosophical Delusion and its Therapy_ provides new foundations and methods for the revolutionary project of philosophical therapy pioneered by Ludwig Wittgenstein. The book vindicates this currently much-discussed project by reconstructing the genesis of important philosophical problems: With the help of concepts adapted from cognitive linguistics and cognitive psychology, the book analyses how philosophical reflection is shaped by pictures and metaphors we are not aware of employing and are prone to misapply. Through innovative case-studies on the genesis of classical problems about (...) the mind and perception, and on thinkers including Locke, Berkeley and Ayer, the book demonstrates how such autonomous habits of thought systematically generate unsound intuitions and philosophical delusions, whose clash with reality, or among each other, gives rise to ill-motivated but maddening problems. The book re-examines models of therapeutic philosophy, due to Wittgenstein and J. L. Austin, and develops an approach that may let us overcome philosophical delusions and the problems they engender. In this way, the book explains where and why therapy in called for in philosophy, and develops techniques to carry it out. (shrink)

Alfred Jules Ayer was born in London and educated at Eton and Christ Church, Oxford. He attended sessions of the logical positivist ‘Vienna Circle’ in 1932, and taught at Oxford from 1933 until joining the Army in 1940. His Language, Truth and Logic was published in 1936, and The Foundations of Empirical Knowledge in 1940. After war service he returned to Oxford in 1945, and became Grote Professor of the Philosophy of Mind and Logic at University College, London, the following (...) year. The Problem of Knowledge was published in 1956. In 1959 he returned to Oxord as Wykeham Professor of Logic, a post he held until his retirement in 1977. He had been made a Fellow of the British Academy in 1952, and was knighted in 1970. Among his publications after he returned to Oxford are The Concept of a Person , Philosophical Essays , The Origins of Pragmatism , Metaphysics and Common Sense , Russell and Moore: the Analytical Heritage , Probability and Evidence , The Central Questions of Philosophy , and Philosophy in the Twentieth Century. (shrink)

The desire for parsimony – to posit as few explanatory features as possible – has a rich philosophical history and is often given lots of weight in philosophical theory construction. But, as the psychologist Tania Lombrozo has demonstrated, our bias in favour of parsimony can lead us to adopt simple explanations even when it’s far more likely that a complicated explanation is correct.

Ayer and Stevenson advocated ethical emotivisms, non-cognitivist understandings of the meanings of moral terms and functions of moral judgments. I argue that their reasons for ethical emotivisms suggestanalogous epistemological emotivisms. Epistemological emotivism importantly undercuts any epistemic support Ayer and Stevenson offered for ethical emotivism. This is because if epistemic emotivism is true, all epistemic judgments are neither true nor false so it is neither true nor false that anyone should accept ethical emotivism or is justified in believing it. Thus, their (...) perspectives are epistemologically self-undermining and, truthfully, should be rejected. Unlike Ayer and Stevenson, Gibbard explicitly endorses ethical and epistemological emotivism, or expressivism; I criticize his views in detail elsewhere. (shrink)

It was news verging on sensational when A. J. Ayer came back from four minutes of heart death with a report of what he saw. Especially since the philosopher, who publicized his near-death experience [NDE] in 1988, in the Telegraph and the Spectator, was known for his lifelong rejection of religion and the supernatural. But, as will be seen, Ayer's beliefs on that head were substantially unchanged, if more ambivalently expressed, and the interest of his NDE lies elsewhere— in what (...) it reveals about his philosophy. (shrink)

vol. 28, nos. 1-4, 2001 empirical data-a large concession-belief in reincarnation is still unjustified.

Objections are raised to the demand that one be either exclusively for or against continental philosophy, and two arguments are developed; one in support of, and one against, positions developed within the continental tradition. The first is a quick argument against A.J. Ayer’s rejection, on the basis of Frege’s logical insights, of Heidegger and Sartre’s use of ‘nothing’. The second is a longer argument against Derrida’s claim, on the basis of his critique of Husserl’s phenomenology, that the difference between signifier (...) and signified is nothing. The second argument develops an exposition of Derrida’s critique of phenomenology, from the point of view of language, and argues, on the basis of that reading, that his claim is either banal or highly implausible. (shrink)

Philosophy is one of the most intimidating and difficult of disciplines, as any of its students can attest. This book is an important entry in a distinctive new series from Routledge: The Great Philosophers . Breaking down obstacles to understanding the ideas of history's greatest thinkers, these brief, accessible, and affordable volumes offer essential introductions to the great philosophers of the Western tradition from Plato to Wittgenstein. In just 64 pages, each author, a specialist on his subject, places the philosopher (...) and his ideas into historical perspective. Each volume explains, in simple terms, the basic concepts, enriching the narrative through the effective use of biographical detail. And instead of attempting to explain the philosopher's entire intellectual history, which can be daunting, this series takes one central theme in each philosopher's work, using it to unfold the philosopher's thoughts. (shrink)