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Ludwig Josef Johann Wittgenstein was an Austrian philosopher who worked primarily in logic, the philosophy of mathematics, the philosophy of mind, and the philosophy of language.
Philosophical Investigations is a work by the philosopher Ludwig Wittgenstein, published posthumously in 1953.
The Tractatus Logico-Philosophicus is the only book-length philosophical work by the Austrian philosopher Ludwig Wittgenstein that was published during his lifetime. The project had a broad goal: to identify the relationship between language and reality and to define the limits of science. Wittgenstein wrote the notes for the Tractatus while he was a soldier during World War I and completed it during a military leave in the summer of 1918. It was originally published in German in 1921 as Logisch-Philosophische Abhandlung. In 1922 it was published together with an English translation and a Latin title, which was suggested by G. E. Moore as homage to Baruch Spinoza's Tractatus Theologico-Politicus (1670).
Analytic philosophy is a branch of philosophy using analysis, popular in the Western world and particularly the Anglosphere, which began around the turn of the 20th century in the contemporary era in Germany, the United Kingdom, United States, Canada, Australia, New Zealand, and Scandinavia, and continues today. Analytic philosophy is often contrasted with continental philosophy, coined as a catch-all term for other methods, prominent in Europe.
Moore's paradox concerns the apparent absurdity involved in asserting a first-person present-tense sentence such as "It is raining, but I do not believe that it is raining" or "It is raining, but I believe that it is not raining." The first author to note this apparent absurdity was G. E. Moore. These 'Moorean' sentences, as they have become known, are paradoxical in that while they appear absurd, they nevertheless
- Can be true;
- Are (logically) consistent; and
- Are not (obviously) contradictions.
Frank Plumpton Ramsey was a British philosopher, mathematician, and economist who made major contributions to all three fields before his death at the age of 26. He was a close friend of Ludwig Wittgenstein and, as an undergraduate, translated Wittgenstein's Tractatus Logico-Philosophicus into English. He was also influential in persuading Wittgenstein to return to philosophy and Cambridge. Like Wittgenstein, he was a member of the Cambridge Apostles, the secret intellectual society, from 1921.
Nonsense is a communication, via speech, writing, or any other symbolic system, that lacks any coherent meaning. In ordinary usage, nonsense is sometimes synonymous with absurdity or the ridiculous. Many poets, novelists and songwriters have used nonsense in their works, often creating entire works using it for reasons ranging from pure comic amusement or satire, to illustrating a point about language or reasoning. In the philosophy of language and philosophy of science, nonsense is distinguished from sense or meaningfulness, and attempts have been made to come up with a coherent and consistent method of distinguishing sense from nonsense. It is also an important field of study in cryptography regarding separating a signal from noise.
Logical atomism is a philosophical view that originated in the early 20th century with the development of analytic philosophy. It holds that the world consists of ultimate logical "facts" that cannot be broken down any further, each of which can be understood independently of other facts.
In logic, the semantics of logic or formal semantics is the study of the semantics, or interpretations, of formal languages and natural languages usually trying to capture the pre-theoretic notion of logical consequence.
Kaarlo Jaakko Juhani Hintikka was a Finnish philosopher and logician. Hintikka is regarded as the founder of formal epistemic logic and of game semantics for logic.
Peter Guy Winch was a British philosopher known for his contributions to the philosophy of social science, Wittgenstein scholarship, ethics, and the philosophy of religion. Winch is perhaps most famous for his early book, The Idea of a Social Science and its Relation to Philosophy (1958), an attack on positivism in the social sciences, drawing on the work of R. G. Collingwood and Ludwig Wittgenstein's later philosophy.
Daniel Kolak is a Croatian-American philosopher who works primarily in philosophy of mind, personal identity, cognitive science, philosophy of science, philosophy of mathematics, philosophy of logic, philosophy of religion, and aesthetics. He is professor of philosophy at the William Paterson University of New Jersey and an Affiliate of the Rutgers University Center for Cognitive Science (RuCCS). Kolak is the founder of the philosophical therapy known as cognitive dynamics.
A truth table is a mathematical table used in logic—specifically in connection with Boolean algebra, Boolean functions, and propositional calculus—which sets out the functional values of logical expressions on each of their functional arguments, that is, for each combination of values taken by their logical variables. In particular, truth tables can be used to show whether a propositional expression is true for all legitimate input values, that is, logically valid.
The picture theory of language, also known as the picture theory of meaning, is a theory of linguistic reference and meaning articulated by Ludwig Wittgenstein in the Tractatus Logico-Philosophicus. Wittgenstein suggested that a meaningful proposition pictured a state of affairs or atomic fact. Wittgenstein compared the concept of logical pictures with spatial pictures. The picture theory of language is considered a correspondence theory of truth.
Remarks on the Foundations of Mathematics is a book of Ludwig Wittgenstein's notes on the philosophy of mathematics. It has been translated from German to English by G.E.M. Anscombe, edited by G.H. von Wright and Rush Rhees, and published first in 1956. The text has been produced from passages in various sources by selection and editing. The notes have been written during the years 1937–1944 and a few passages are incorporated in the Philosophical Investigations which were composed later. When the book appeared it received many negative reviews mostly from working logicians and mathematicians, among them Michael Dummett, Paul Bernays, and Georg Kreisel. Today Remarks on the Foundations of Mathematics is read mostly by philosophers sympathetic to Wittgenstein and they tend to adopt a more positive stance.
Ludwig Wittgenstein considered his chief contribution to be in the philosophy of mathematics, a topic to which he devoted much of his work between 1929 and 1944. As with his philosophy of language, Wittgenstein's views on mathematics evolved from the period of the Tractatus Logico-Philosophicus: with him changing from logicism towards a general anti-foundationalism and constructivism that was not readily accepted by the mathematical community. The success of Wittgenstein's general philosophy has tended to displace the real debates on more technical issues.
In philosophy, Wittgenstein's ladder is a metaphor set out by Ludwig Wittgenstein about learning. In what may be a deliberate reference to Søren Kierkegaard's Concluding Unscientific Postscript to Philosophical Fragments, the penultimate proposition of the Tractatus Logico-Philosophicus reads:
6.54
My propositions serve as elucidations in the following way: anyone who understands me eventually recognizes them as nonsensical, when he has used them—as steps—to climb beyond them.
He must transcend these propositions, and then he will see the world aright.
The New Wittgenstein (2000) is a book containing a family of interpretations of the work of philosopher Ludwig Wittgenstein. In particular, those associated with this interpretation, such as Cora Diamond, Alice Crary, and James F. Conant, understand Wittgenstein to have avoided putting forth a "positive" metaphysical program, and understand him to be advocating philosophy as a form of "therapy." Under this interpretation, Wittgenstein's program is dominated by the idea that philosophical problems are symptoms of illusions or "bewitchments by language," and that attempts at a "narrow" solution to philosophical problems, that do not take into account larger questions of how the questioner conducts her life, interacts with other people, and uses language generally, are doomed to failure.
Nikolay Milkov is a German-Bulgarian philosopher and professor at the University of Paderborn.
Kanava is a political and cultural magazine which has been in circulation since 1933. It is owned by Otavamedia. The magazine describes itself as the country's leading discussion forum.
References
- ↑ Wittgenstein, Ludwig (15 July 1929). "Some Remarks on Logical Form" (PDF). Proc. Aristot. Soc. Suppl. Vol. 9 (1): 162–171. doi: 10.1093/aristoteliansupp/9.1.162 .
- 1 2 Hintikka, Jaakko; Hintikka, Merrill B. (1983). "Some remarks on (Wittgensteinian) logical form". Synthese . 56 (2): 155–170. doi:10.1007/BF00485322.
- ↑ Wittgenstein in Cambridge Letters and Documents 1911 - 1951. Wiley. 2012. p. 210.
