A dissertation in the tradition of logical positivism includes a discussion of the functions and methods of philosophy and a critique of ethics and theology.

In this book, the author of "Language, Truth and Logic" tackles one of the central issues of philosophy - how we can know anything - by setting out all the sceptic's arguments and trying to counter them one by one.

Edited by a leading exponent of the school, this book offers--in the words of the movement's founders--logical positivism's revolutionary theories on meaning and metaphysics, the nature of logic and mathematics, the foundations of knowledge ...

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A. J. Ayer was one of the foremost analytical philosophers of the twentieth century, and was known as a brilliant and engaging speaker. In essays based on his influential Dewey Lectures, Ayer addresses some of the most critical and controversial questions in epistemology and the philosophy of science, examining the nature of inductive reasoning and grappling with the issues that most concerned him as a philosopher. This edition contains revised and expanded versions of the lectures and two additional essays. Ayer (...) begins by considering Hume's formulation of the problem of induction and then explores the inferences on which we base our beliefs in factual matters. In other essays, he defines the three kinds of probability that inform inductive reasoning and examines the various criteria for verifiability and falsifiability. In his extensive introduction, Graham Macdonald discusses the arguments in _Probability and Evidence_, how they relate to Ayer's other works, and their influence in contemporary philosophy. He also provides a brief biographical sketch of Ayer, and includes a bibliography of works about and in response to _Probability and Evidence_. (shrink)

This book was originally conceived as a sequel to bertrand russell's "a history of western philosophy". it takes up where russell left off. rather than examining a wide number of philosophers superficially, this book deals with a small number of philosophers in depth. the book examines american pragmatists, the analytic movement, phenomenology and existentialism. it examines both critical and speculative philosophy. (staff).

On making philosophy intelligible.--What is communication?--Meaning and intentionality.--What must there be?--Metaphysics and common sense.--Philosophy and science.--Chance.--Knowledge, belief, and evidence.--Has Austin refuted the sense-datum theory?--Professor Malcolm on dreams.--An appraisal of Bertrand Russell's philosophy.--G. E. Moore on propositions and facts.--Reflections on existentialism.--Man as a subject for science.--Philosophy and politics.

I - Individuals 1 2 - The Identity of Indiscernibles 26 3 - Negation 36 4 - The Terminology of Sense-Data 66 5 - Basic Propositions 105 6 - Phenomenalism 125 7 - Statements About the Past 167 8 - One’s Knowledge of Other Minds 191 9 - On What There Is 215 10 - On the Analysis of Moral Judgements 231 11 - The Principle of Utility 250 12 - Freedom and Necessity 271 Index 285.

A professor of logic at Oxford, tells of his education at Eton and Oxford, his growing interest in philosophy, and his return to Oxford after service as an intelligence cadet during the war.

Eventually, the series will encompass every major academic discipline, offering all readers an accessible and abundant reference library.

The fame of Ludwig Wittgenstein as one the most important and original philosophers of the century-and also as an intense, magnetic personality-has grown steadily since his death in 1951.

In _Probability and Evidence_, one of Britain's foremost twentieth-century philosophers addresses central questions in the theory of knowledge and the philosophy of science. This book contains A.J. Ayer's John Dewey Lectures delivered at Columbia University, together with two additional essays, "Has Harrod Answered Hume?" and "The Problem of Conditionals.".

Hume is one of the greatest of all British philosophers, and even in his own lifetime was celebrated as one of the pivotal figures of the Enlightenment. A central theme of his philosophy is the conviction that questions traditionally thought of as completely independent of the scientific realm--questions about the mind, about morality, and about God, for example--are actually best explained using the experimental methods characteristic of the natural sciences. Hume's 'naturalist' approach to a wide variety of philosophical topics resulted (...) in highly original theories about perception, self-identity, causation, morality, politics, and religion, all of which are discussed in this stimulating introduction by A J Ayer, himself one of the twentieth century's most important philosophers. Ayer also gives an account of Hume's fascinating life and character, and includes generous quotations from Hume's lucid and often witty writings. (shrink)

Hume is one of the greatest of all British philosophers, and even in his own lifetime was celebrated as one of the pivotal figures of the Enlightenment. Hume's 'naturalist' approach to a wide variety of philosophical topics resulted in highly original theories about perception, self-identity, causation, morality, politics, and religion, all of which are discussed in this stimulating introduction by A J Ayer, himself one of the twentieth century's most important philosophers. Ayer also gives an account of Hume's fascinating life (...) and character, and includes generous quotations from Hume's lucid and often witty writings. (shrink)

The volume documents, and makes an original contribution to, an astonishing period in twentieth-century philosophy—the progress of Arne Naess's ecophilosophy from its inception to the present. It includes Naess's most crucial polemics with leading thinkers, drawn from sources as diverse as scholarly articles, correspondence, TV interviews and unpublished exchanges. The book testifies to the skeptical and self-correcting aspects of Naess's vision, which has deepened and broadened to include third world and feminist perspectives. Philosophical Dialogues is an essential addition to the (...) literature on environmental philosophy. (shrink)

Autobiografie van de Britse wijsgeer, waarin de jaren 1946-1963 aan de ordekomen.

Dialogues with British philosophers (A.J. Ayer and others) first broadcast on BBC radio, winter 1970-71.

El editor reúne a distintos miembros de la Advisory Council of the British Humanist Association para escribir sobre conceptos, tales como la moralidad, la educación moral, la ética, los medios de comunicación, la muerte o el futuro. Algunos de estos autores son: Cyril Bibby, Raymond Firth, Margaret Knight, Lord Francis Williams, Antony Flew, Peter Henderson, James Hemming, Morris Ginsberg, Lord Ritchie-Calder, Lord Boyd Orr, Kathleen Nott, Brigid Brophy, Cristopher Longuet-Higgins, Kingsley Martin, P. Sargant Florence, Theodore Besterman, F.A.E. Crew, H.J. Eysenck (...) o Sir Karl Popper. (shrink)

"A lively discussion of the life and writings of one of the premier revolutionaries of the eighteenth century. [Ayer's] chapters alternate between the externals of Paine's life and career in England, America, and France and analyses of Common Sense, The Rights of Man, The Age of Reason, other significant but less well known writings, and Paine's anticipations of the welfare state."--History: Reviews of New Books "[An] exciting book about Paine's life and principles."--Christoper Hitchens, Newsday.

Summary By means of examples drawn from everyday experience, the author investigates what conditions must be satisfied in order that behaviour may be called rational or irrational. Does the attribution of irrationality apply to means or to ends? Is it based on consideration of the total cost? Is heroism irrational? Cannot what is irrational for one person be rational for another? Finally, the author uses this approach to come to the problem of induction and to that of moral freedom.RésuméL'auteur examine, (...) à l'aide d'exemples divers tiréds de l'expérience quotidienne, quelles sont les conditions qui doivent ětre remplies pour qu'on puisse qualifier une conduite de rationnelle ou d'irrationnelle. L'imputation d'irrationalité concerne‐t‐elle les moyens ou les buts? Se fonde‐t‐elle sur une estimation globale des coǔts? L'héroïsme est‐il irrationnel? Ce qui est irrationnel pour l'un ne peut‐il pas ětre rationnel pour un autre? Enfin, il aborde par ce biais le problème de l'induction et celui de la liberté morale.ZusammenfassungDer Verfasser untersucht aufgrund verschiedener aus dem Alltag gezogenen Beispiele die Frage, welches die Bedingungen sind, die erfüllt sein müssen, damit man ein Verhalten als rational bezeichnen kann. Bezieht sich das Zuschreiben von Irrationalität auf Mittel oder auf Ziele? Ist es auf der Einschätzung des Aufwandes begründet? Ist Heldentum irrational? Kann das, was dem einen als irrational gilt, einem andern nicht als rational gelten? Schliesslich wird über das Induktionsproblem das Problem der moralischen Freiheit angegangen. (shrink)