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After being an open question for sixty years the Tarski conjecture was answered in the affirmative by Olga Kharlampovich and Alexei Myasnikov and independently by Zlil Sela. Both proofs involve long and complicated applications of algebraic geometry over free groups as well as an extension of methods to solve equations in free groups originally developed by Razborov. This book is an examination of the material on the general elementary theory of groups that is necessary to begin to understand the proofs. This material includes a complete exposition of the theory of fully residually free groups or limit groups as well a complete description of the algebraic geometry of free groups. Also included are introductory material on combinatorial and geometric group theory and first-order logic. There is then a short outline of the proof of the Tarski conjectures in the manner of Kharlampovich and Myasnikov.
Geometry, Algebraic. --- Combinatorial analysis. --- Proof theory. --- Logic, Symbolic and mathematical --- Combinatorics --- Algebra --- Mathematical analysis --- Algebraic geometry --- Geometry --- Tarski, Alfred. --- Tarski, A. --- Tarski, Alfred,
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Alfred Tarski (1901–1983) was a renowned Polish/American mathematician, a giant of the twentieth century, who helped establish the foundations of geometry, set theory, model theory, algebraic logic, and universal algebra. Throughout his career, he taught mathematics and logic at universities and sometimes in secondary schools. Many of his writings before 1939 were in Polish and remained inaccessible to most mathematicians and historians until now. This self-contained book focuses on Tarski’s early contributions to geometry and mathematics education, including the famous Banach–Tarski paradoxical decomposition of a sphere as well as high school mathematical topics and pedagogy. These themes are significant since Tarski’s later research on geometry and its foundations stemmed in part from his early employment as a high school mathematics teacher and teacher-trainer. The book contains careful translations and much newly uncovered social background of these works written during Tarski’s years in Poland. Alfred Tarski: Early Work in Poland—Geometry and Teaching serves the mathematical, educational, philosophical, and historical communities by publishing Tarski’s early writings in a broadly accessible form, providing background from archival work in Poland, and updating Tarski’s bibliography.
Mathematics. --- Geometry. --- History. --- Mathematical logic. --- Mathematics --- Mathematical Logic and Foundations. --- Mathematics Education. --- History of Mathematical Sciences. --- Study and teaching. --- Euclid's Elements --- Algebra of logic --- Logic, Universal --- Mathematical logic --- Symbolic and mathematical logic --- Symbolic logic --- Algebra, Abstract --- Metamathematics --- Set theory --- Syllogism --- Annals --- Auxiliary sciences of history --- Math --- Science --- Logic, Symbolic and mathematical. --- Tarski, Alfred. --- Tarski, A. --- Mathematics—Study and teaching . --- Tarski, Alfred --- Teitelbaum, Alfred,
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This book offers a detailed study of the truth-bearers problem, that is, the question of which category of items the predicates ‘true’ and ‘false’ are predicated. The book has two dimensions: historical and systematic. Both focus around Tarski’s semantic theory of truth. The author locates Tarski’s ideas in a broad context of Austrian philosophy, in particular, Brentano’s tradition. However, Bolzano and phenomenology (Husserl and Reinach) are also taken into account. The historical perspective is completed by showing how Tarski was rooted in Polish philosophical tradition originated with Twardowski and his version of Brentanism. The historical considerations are the basis for showing how the idea of truth-bearers as acts of judging was transformed into the theory of truth-bearers as sentences. In particular, the author analyses the way to nominalism in Polish philosophy, culminating in Lesniewski, Kotarbinski and Tarski. This book is indispensable for everybody interested in the evolution of Austrian philosophy from descriptive psychology to semantics. It is also a fundamental contribution toward a deeper understanding of the philosophical background of Tarski’s theory of truth.
Truth. --- Knowledge, Theory of. --- Ontology. --- Bolzano, Bernard, --- Tarski, Alfred. --- Brentano, Franz Clemens, --- Twardowski, Kazimierz, --- Tarski, Alfred, --- Being --- Philosophy --- Metaphysics --- Necessity (Philosophy) --- Substance (Philosophy) --- Epistemology --- Theory of knowledge --- Psychology --- Conviction --- Belief and doubt --- Skepticism --- Certainty --- Pragmatism --- Tvardovskiĭ, K. --- Tvardovskiĭ, Kazimezh, --- Twardowski, Kasimir, --- Tarski, A. --- Teitelbaum, Alfred, --- Knowledge, Theory of --- Ontology --- Truth --- Brentano, Franz, --- Philosophy (General). --- Genetic epistemology. --- Linguistics --- Philosophy, general. --- Epistemology. --- Philosophy of Language. --- Philosophy. --- Developmental psychology --- Language and languages—Philosophy. --- Mental philosophy --- Humanities --- Brentano, Franz Clemens Honoratius Hermann, --- Bolzano, Bernardus Placidus Johann Nepomuk --- Tvardovsʹkyĭ, Kazymyr, --- Твардовський, Казимир, --- Brentano, Franz
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This book provides a detailed commentary on the classic monograph by Alfred Tarski, and offers a reinterpretation and retranslation of the work using the original Polish text and the English and German translations. In the original work, Tarski presents a method for constructing definitions of truth for classical, quantificational formal languages. Furthermore, using the defined notion of truth, he demonstrates that it is possible to provide intuitively adequate definitions of the semantic notions of definability and denotation and that the notion in a structure can be defined in a way that is analogous to that used to define truth. Tarski’s piece is considered to be one of the major contributions to logic, semantics, and epistemology in the 20th century. However, the author points out that some mistakes were introduced into the text when it was translated into German in 1935. As the 1956 English version of the work was translated from the German text, those discrepancies were carried over in addition to new mistakes. The author has painstakingly compared the three texts, sentence-by-sentence, highlighting the inaccurate translations, offering explanations as to how they came about, and commenting on how they have influenced the content and suggesting a correct interpretation of certain passages. Furthermore, the author thoroughly examines Tarski’s article, offering interpretations and comments on the work.
Philosophy. --- Epistemology. --- Logic. --- History of Philosophy. --- Truth. --- Truth-functions. --- Tarski, Alfred, --- Argumentation --- Deduction (Logic) --- Deductive logic --- Dialectic (Logic) --- Logic, Deductive --- Conviction --- Intellect --- Philosophy --- Psychology --- Science --- Reasoning --- Thought and thinking --- Methodology --- Logic, Symbolic and mathematical --- Belief and doubt --- Skepticism --- Certainty --- Necessity (Philosophy) --- Pragmatism --- Genetic epistemology. --- Philosophy (General). --- Developmental psychology --- Knowledge, Theory of --- Mental philosophy --- Humanities --- Epistemology --- Theory of knowledge --- Knowledge, Theory of. --- History.
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