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P.F. Strawson has been a major and influential spokesman for ordinary language philosophy throughout the late twentieth century, studying the relationship between common language and the language of formal logic. This reissue of his collection of early essays, Logico-Linguistic Papers, is published with a brand new introduction by Professor Strawson but, apart from minor corrections to the text, these classic essays remain original and intact. Logico-Linguistic Papers contains Strawson's major essay, 'On Referring', in which he disputed Bertrand Russell's theory of definite descriptions, distinguishing between referring to an entity and asserting its existence. The book contains twelve essays in all, grouped by subject matter. The first five are concerned with the topic of singular reference and predication and the last three are all responses to J.L. Austin's treatment of the topic of truth. Strawson disputes the correspondence theory of truth, maintaining that facts are what statements (when true) state. The remaining papers deal with meaning, speech acts, logical truth and Chomsky's views on syntax.

The twentieth century has witnessed a striking transformation in the un­ derstanding of the theories of mathematical physics. There has emerged clearly the idea that physical theories are significantly characterized by their abstract mathematical structure. This is in opposition to the tradi­ tional opinion that one should look to the specific applications of a theory in order to understand it. One might with reason now espouse the view that to understand the deeper character of a theory one must know its abstract structure and understand the significance of that struc­ ture, while to understand how a theory might be modified in light of its experimental inadequacies one must be intimately acquainted with how it is applied. Quantum theory itself has gone through a development this century which illustrates strikingly the shifting perspective. From a collection of intuitive physical maneuvers under Bohr, through a formative stage in which the mathematical framework was bifurcated (between Schrödinger and Heisenberg) to an elegant culmination in von Neumann's Hilbert space formulation the elementary theory moved, flanked even at the later stage by the ill-understood formalisms for the relativistic version and for the field-theoretic altemative; after that we have a gradual, but constant, elaboration of all these quantal theories as abstract mathematical struc­ tures (their point of departure being von Neumann's formalism) until at the present time theoretical work is heavily preoccupied with the manip­ ulation of purely abstract structures.

P.F. Strawson has been a major and influential spokesman for ordinary language philosophy throughout the late twentieth century, studying the relationship between common language and the language of formal logic. This reissue of his collection of early essays, Logico-Linguistic Papers, is published with a brand new introduction by Professor Strawson but, apart from minor corrections to the text, these classic essays remain original and intact. Logico-Linguistic Papers contains Strawson's major essay, 'On Referring', in which he disputed Bertrand Russell's theory of definite descriptions, distinguishing between referring to an entity and asserting its existence. The book contains twelve essays in all, grouped by subject matter. The first five are concerned with the topic of singular reference and predication and the last three are all responses to J.L. Austin's treatment of the topic of truth. Strawson disputes the correspondence theory of truth, maintaining that facts are what statements (when true) state. The remaining papers deal with meaning, speech acts, logical truth and Chomsky's views on syntax.

Tractatus Logico-Theologicus resents the case for the truth of Christianity, the existence of God, and the importance of Christian revelation for addressing the human condition.

Austrian philosopher LUDWIG WITTGENSTEIN (1889-1951) was hugely influential on 20th-century philosophy, and here, he constructs a series of carefully and precisely numbered propositions on the relationship between language, logic, and reality, using a numbering system to show nested relationships between the propositions. Considered one of the major recent works of philosophy-a reputation enhanced, undoubtedly, by Bertrand Russell's glowing introduction-this edition is a reproduction of the translation by C.K. Ogden, first published in 1922, for which Wittgenstein himself assisted in the preparation of the English-language manuscript. Students of philosophy and those fascinated by the history of ideas will want a copy of this essential volume.

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Perhaps the most important work of philosophy written in the twentieth century, Tractatus Logico-Philosophicus was the only philosophical work that Ludwig Wittgenstein published during his lifetime. Written in short, carefully numbered paragraphs of extreme brilliance, it captured the imagination of a generation of philosophers. For Wittgenstein, logic was something we use to conquer a reality which is in itself both elusive and unobtainable. He famously summarized the book in the following words: 'What can be said at all can be said clearly; and what we cannot talk about we must pass over in silence.' David Pears and Brian McGuinness received the highest praise for their meticulous translation. The work is prefaced by Bertrand Russell's original introduction to the first English edition.

Tractatus Logico-Philosophicus may be the most important book of philosophy written during the twentieth century. Wittgenstein's writing style is clear, succinct, and accessible. Bertrand Russell claimed that "I cannot see any point on which it is wrong. But to have constructed a theory of logic which is not at any point obviously wrong is to have achieved a work of extraordinary difficulty and importance." Required ready for anyone interested in philosophy.

The Tractatus Logico-Philosophicus first appeared in 1921 and was the only philosophical work that Ludwig Wittgenstein (1889-1951) published during his lifetime. Written in short, carefully numbered paragraphs of extreme compression and brilliance, it immediately convinced many of its readers and captured the imagination of all.Its chief influence, at first, was on the Logical Positivists of the 1920s and 1930s, but many other philosophers were stimulated by its philosophy of language, finding attractive, even if ultimately unsatisfactory, its view that propositions were pictures of reality. Perhaps most of all, its own author, after his return to philosophy in the late 1920s, was fascinated by its vision of an inexpressible, crystalline world of logical relationships. C.K. Ogden's translation of the Tractatus Logico-Philosophicus has a unique provenance. As revealed in Letters of C.K. Ogden (1973) and in correspondence in The Times Literary Supplement, Wittgenstein, Ramsey and Moore all worked with Ogden on the translation, which had Wittgenstein's complete approval.

Ludwig Wittgenstein’s influential “Tractatus Logico-Philosophicus” explores the assumption that it is philosophy’s task to ‘sanitize’ language. Therefore, it is necessary for philosophy to develop an artificial language that avoids the pitfalls of ordinary language. This is the only philosophical work Wittgenstein published in his lifetime. Laid out in succinct well-numbered paragraph, it is an essential read for those interested in the philosophy of language or understanding the influential figure of Wittgenstein.

Austrian philosopher LUDWIG WITTGENSTEIN (1889-1951) was hugely influential on 20th-century philosophy, and here, he constructs a series of carefully and precisely numbered propositions on the relationship between language, logic, and reality, using a numbering system to show nested relationships between the propositions. Considered one of the major recent works of philosophy's reputation enhanced, undoubtedly, by Bertrand Russell's glowing introduction, this edition is a reproduction of the translation by C.K. Ogden, first published in 1922, for which Wittgenstein himself assisted in the preparation of the English-language manuscript. Students of philosophy and those fascinated by the history of ideas will want a copy of this essential volume.

Tractatus Logico-Theologicus, 6th Revised Edition 0.72

Ludwig Wittgenstein is one of the greatest and most fascinating philosophers of all time. His Tractatus Logico-Philosophicus, composed in a series of remarkable numbered propositions, was the only book he published in his lifetime. He tackles nothing less than the question of whether there is such a thing as a logically perfect language and, armed with it, what we can say about the nature of the world itself. Pushing the limits of language, logic and philosophy, the Tractatus is a brilliant, cryptic and hypnotic tour de force, exerting a major impact on twentieth-century philosophy and stirring the imagination today. With a new foreword by Ray Monk.

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Austrian philosopher LUDWIG WITTGENSTEIN (1889-1951) was hugely influential on 20th-century philosophy, and here, he constructs a series of carefully and precisely numbered propositions on the relationship between language, logic, and reality, using a numbering system to show nested relationships between the propositions. Considered one of the major recent works of philosophy-a reputation enhanced, undoubtedly, by Bertrand Russell's glowing introduction-this edition is a reproduction of the translation by C.K. Ogden, first published in 1922, for which Wittgenstein himself assisted in the preparation of the English-language manuscript. Students of philosophy and those fascinated by the history of ideas will want a copy of this essential volume.

Perhaps the most important work of philosophy written in the twentieth century, the Tractatus Logico-Philosophicus first appeared in 1921 and was the only philosophical work that Ludwig Wittgenstein (1889-1951) published during his lifetime. Written in short, carefully numbered paragraphs of extreme compression and brilliance, it immediately convinced many of its readers and captivated the imagination of all. Its chief influence, at first, was on the Logical Positivists of the 1920s and 30s, but many other philosophers were stimulated by its philosophy of language, finding attractive, if ultimately unsatisfactory, its view that propositions were pictures of reality. Perhaps most of all, Wittgenstein himself, after his return to philosophy in the late 1920s, was fascinated by its vision of an inexpressible, crystalline world of logical relationships. The posthumous publication of other writings has, therefore, only served to reawaken interest in the Tractatus and to illuminate its more neglected aspects.David Pears and Brian McGuinness revised their translation in the light of Wittgenstein's own suggestions and comments in his correspondence with C.K. Ogden about the first translation. In addition, this edition contains the introduction by Bertrand Russell which appeared in the original English translation.

Unread book in perfect condition.

Tractatus Logico-Philosophicus may be the most important book of philosophy written during the twentieth century. Wittgenstein's writing style is clear, succinct, and accessible. Bertrand Russell claimed that "I cannot see any point on which it is wrong. But to have constructed a theory of logic which is not at any point obviously wrong is to have achieved a work of extraordinary difficulty and importance." Required ready for anyone interested in philosophy.

Lógica matemáticaFilósofos;Biografías;S.XIX() Espasa-Calpe. Encuadernación en tapa Blanda. Mosterín, Jesús. 19 cm. Los lógicosTapa deslucida.Tapa ilustrada. Pags.418.Volúmenes.

In 1962 a mimeographed sheet of paper fell into my possession. It had been prepared by Ernest Adams of the Philosophy Department at Berkeley as a handout for a colloquim. Headed 'SOME FALLACIES OF FORMAL LOGIC' it simply listed eleven little pieces of reasoning, all in ordinary English, and all absurd. I still have the sheet, and quote a couple of the arguments here to give the idea. · If you throw switch S and switch T, the motor will start. There­ fore, either if you throw switch S the motor will start, or, if you throw switch T the motor will start . · It is not the case that if John passes history he will graduate. Therefore, John will pass history. The disconcerting thing about these inferences is, of course, that under the customary truth-functional interpretation of and, or, not, and if-then, they are supposed to be valid. What, if anything, is wrong? At first I was not disturbed by the examples. Having at that time consider­ able personal commitment to rationality in general and formal logic in par­ ticular, I felt it my duty and found myself easily able (or so I thought) to explain away most of them. But on reflection I had to admit that my expla­ nations had an ad hoc character, varying suspiciously from example to example.