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Alfred Tarski
Alfred Teitelbaum

(1901-01-14)January 14, 1901
Warsaw, Congress Poland
Died October 26, 1983(1983-10-26) (aged 82)
Nationality Polish
Citizenship Polish
Education University of Warsaw (Ph.D., 1924)
Known for
  • Work on the foundations of modern logic
  • Semantic theory of truth (Convention T)
  • Tarski's undefinability theorem
  • Development of model theory
  • Logic of relations
  • Banach–Tarski paradox
  • Tarski-style universes
  • Tarski's axioms
  • Tarski monster group
  • Jónsson–Tarski duality
Scientific career
Fields Mathematics, logic, formal language
Thesis O wyrazie pierwotnym logistyki (On the Primitive Term of Logistic) (1924)
Doctoral advisor Stanisław Leśniewski
Doctoral students
  • Solomon Feferman
  • Haim Gaifman
  • Bjarni Jónsson
  • Howard Jerome Keisler
  • Roger Maddux
  • Richard Montague
  • Anne C. Morel
  • Andrzej Mostowski
  • Julia Robinson
  • Wanda Szmielew
  • Robert Vaught
Other notable students Evert Willem Beth
Influences Charles Sanders Peirce

Alfred Tarski ( January 14, 1901 – October 26, 1983), born Alfred Teitelbaum, was a Polish-American logician and mathematician. A prolific author best known for his work on model theory, metamathematics, and algebraic logic, he also contributed to abstract algebra, topology, geometry, measure theory, mathematical logic, set theory, and analytic philosophy.

Educated in Poland at the University of Warsaw, and a member of the Lwów–Warsaw school of logic and the Warsaw school of mathematics, he immigrated to the United States in 1939 where he became a naturalized citizen in 1945. Tarski taught and carried out research in mathematics at the University of California, Berkeley, from 1942 until his death in 1983.

His biographers Anita Burdman Feferman and Solomon Feferman state that, "Along with his contemporary, Kurt Gödel, he changed the face of logic in the twentieth century, especially through his work on the concept of truth and the theory of models."

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