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Bertrand Russell Bertrand Russell, (1872, Trelleck, Monmouthshire, Wales—Feb. 2, 1970, Penrhyndeudraeth, Merioneth), British philosopher, logician, and social reformer, founding figure in the analytic movement in Anglo-American philosophy, and recipient of the Nobel Prize for Literature in 1950. Russell’s contributions to logic, epistemology, and the philosophy of mathematics established him as one of the foremost philosophers of the 20th century. To the general public, however, he was best known as a campaigner for peace and as a popular writer on social, political, and moral subjects. During a long, productive, and often turbulent life, he published more than 70 books and about 2,000 articles, married four times, became involved in innumerable public controversies, and was honoured and reviled in almost equal measure throughout the world. Inspired by the work of the mathematicians whom he so greatly admired, Russell conceived the idea of demonstrating that mathematics not only had logically rigorous foundations but also that it was in its entirety nothing but logic. The philosophical case for this point of view—subsequently known as logicism—was stated at length in The Principles of Mathematics (1903). There Russell argued that the whole of mathematics could be derived from a few simple axioms that made no use of specifically mathematical notions, such as number and square root, but were rather confined to purely logical notions, such as proposition and class. In this way not only could the truths of mathematics be shown to be immune from doubt, they could also be freed from any taint of subjectivity, such as the subjectivity involved in Russell’s earlier Kantian view that geometry describes the structure of spatial intuition. Russell took an essentially Platonic view of logic. Indeed, the passion with which Russell pursued the project of deriving mathematics from logic owed a great deal to what he would later somewhat scornfully describe as a “kind of mathematical mysticism.” As he put it in his more disillusioned old age, “I disliked the real world and sought refuge in a timeless world, without change or decay or the will-o’-the-wisp of progress.” Russell, like Pythagoras and Plato before him, believed that there existed a realm of truth that, unlike the messy contingencies of the everyday world of senseexperience, was immutable and eternal. This realm was accessible only to reason, and knowledge of it, once attained, was not tentative or corrigible but certain and irrefutable. Logic, for Russell, was the means by which one gained access to this realm, and thus the pursuit of logic was, for him, the highest and noblest enterprise life had to 1 offer. From 1938 to 1944 Russell lived in the United States, where he taught at Chicago and the University of California at Los Angeles. On the brink of financial ruin, he secured a job teaching the history of philosophy at the Barnes Foundation in Philadelphia. In 1944 Russell returned to Trinity College, where he lectured on the ideas that formed his last major contribution to philosophy, Human Knowledge: Its Scope and Limits (1948). During this period Russell, for once in his life, found favour with the authorities, and he received many official tributes, including the Order of Merit in 1949 and the Nobel Prize for Literature in 1950. Russell devoted his last years to campaigning against nuclear weapons and the Vietnam War, assuming once again the role of gadfly of the establishment. The sight of Russell in extreme old age taking his place in mass demonstrations and inciting young people to civil disobedience through his passionate rhetoric inspired a new generation of admirers. When he died in 1970 Russell was far better known as an antiwar campaigner than as a philosopher of mathematics. In retrospect, however, it is possible to see that it is for his great contributions to philosophy that he will be remembered and honoured by future generations. Bertrand Russell a. was born in the UK b. died of lung cancer c. received a Pulitzer Prize d. wrote more than 50 books e. nothing of the above Russell a. was a Nobel laureate b. lived in the US for more than twenty tears c. married twice d. was Albert Einstein’s close friend e. all the above 2 Most people know Russell: a. as a prominent mathematician b. as a campaigner for peace c. as a renown poet d. as a notorious bisexual e. nothing of the above For Russell: a. mathematics was the basis for logic b. mathematics was nothing but logic c. mathematics could be derived by Physics d. logical notions, such as number and square root, but were rather confined to purely mathematical notions e. nothing of the above Russell a. followed a Cartesian path of logic b. rejected Aristotle’s view on Mathematics c. adopted a Platonic view of logic d. believed that logic and mathematics are related to religion e. all the above For Russell, the highest and noblest enterprise life had to offer was: a. the pursuit of happiness b. the pursuit of logic c. the search for the ultimate truth d. the search for the meaning of existence e. all the above f. nothing of the above 3 The Principles of Mathematics a. was published by Routledge b. became a best-seller c. was published in the early 1900s d. was forbidden in the US e. all the above f. nothing of the above Russell a. lived in the UK during WWII b. taught in the Harvard for more than ten years c. moved to the US during WWII d. taught the history of ideas at the Barnes Foundation e. nothing of the above Pythagoras a. lived in Smyrna b. coined the term ‘logic’ c. believed that there existed a realm of truth that was eternal d. died in 480 BC e. was Plato’s student f. nothing of the above g. all the above Russell a. favored Marxist ideas b. supported the Vietnam War c. visited the USSR in 1961 d. fought against the Axis during WWII e. nothing of the above f. all the above 4 Give the term 1st – 2nd paragraphs The study of general and fundamental problems concerning matters such as existence, knowledge, values, reason, mind, and language. The body of written works of a language, period, or culture. The branch of philosophy that examines the nature of knowledge, its presuppositions and foundations, and its extent and validity. The study of the measurement, properties, and relationships of quantities and sets, using numbers and symbols. A self-evident or universally recognized truth. The philosophical theory that all of mathematics can be deduced from logic. A divisor of a quantity that when squared gives the quantity. The mathematics of the properties, measurement, and relationships of points, lines, angles, surfaces, and solids. In paragraph 2, the word rigorous could be replaced by: a. demanding b. rigid c. precise d. all the above In paragraph 2, the word taint is near the synonym of: a. stain b. doubt c. vision d. value e. nothing of the above f. all the above 5 Glossary ρεύμα Ρ. ιονισμού Ρ. αγωγιμότητας Ρ. καθόδου Αμετάβλητο Ρ. Μονοφασικό Ρ. Ρ. γραμμής Πολυφασικό Ρ. Ρ. διαρροής Συνεχές Ρ. Διφασικό Ρ. Τριφασικό Ρ. Ρ. εκπομπής Ρ. Υψηλής Τάσης Εναλλασσόμενο Ρ. Ρ. Τάσης ροπή Ρ. κάμψης Ρ. αδράνειας Ρ. Κλίσης Φυγόκεντρος Ρ. Μαγνητική Χαμηλής ροή σταθερού ρεύματος Ρ. ανατροπής Ρ.περιστροφής Ρ. αντίστασης Ρύθμιση Ρ. απόσβεσης Σειρά Ρ. δύναμης Αποκλίνουσα Σ. Ρ. επαναφοράς Σ.ανάφλεξης Πεπερασμένη Σ. Σημείο Αρμονική Σ. Σ. αδράνειας Συγκλίνουσα Σ. Σ.βρασμού Ταλαντούμενη Σ. Σ. εξάτμισης Σ. Σ. πήξης αποσυναρμολόγησης 6