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Emil Leon Post information


Emil Leon Post
BornFebruary 11, 1897
Augustów, Suwałki Governorate, Congress Poland, Russian Empire
(now Poland)
DiedApril 21, 1954(1954-04-21) (aged 57)
New York City, U.S.
Alma materCity College of New York (B.S., 1917)[1]
Columbia University (A.M. 1918, Ph.D. 1920)[2]
Known forFormulation 1
Post correspondence problem
Completeness-proof of Principia's propositional calculus
Post's inversion formula
Post's lattice
Post's theorem
Scientific career
FieldsMathematics, logic
InstitutionsPrinceton University
Thesis Introduction to a General Theory of Elementary Propositions  (1920)
Doctoral advisorCassius Jackson Keyser

Emil Leon Post (/pst/; February 11, 1897 – April 21, 1954) was an American mathematician and logician. He is best known for his work in the field that eventually became known as computability theory.

  1. ^ Urquhart (2008)
  2. ^ Cite error: The named reference MacTutor was invoked but never defined (see the help page).

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Emil Leon Post

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Emil Leon Post (/poʊst/; February 11, 1897 – April 21, 1954) was an American mathematician and logician. He is best known for his work in the field that...

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Truth table

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published in 1921. Such a system was also independently proposed in 1921 by Emil Leon Post. Irving Anellis's research shows that C.S. Peirce appears to be the...

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Tag system

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published by Emil Leon Post in 1943 as a simple form of a Post canonical system. A tag system may also be viewed as an abstract machine, called a Post tag machine...

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Formal language

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(PDF) from the original on 30 April 2021. Retrieved 30 April 2021. "Emil Leon Post". September 2001. Retrieved 30 April 2021. Torres Quevedo, Leonardo...

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Post Malone

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"The Story Behind Post Malone's Alter Ego Leon DeChino". Genius. Retrieved July 23, 2023. Kelly, Chris (February 7, 2016). "Post Malone's underage, suburban...

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April 1954

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murderer, the last person to be executed in the Irish Republic Died: Emil Leon Post, 57, Polish American mathematician and logician France's Foreign Minister...

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Mathematical logic

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recursion theory were obtained in the 1940s by Stephen Cole Kleene and Emil Leon Post. Kleene introduced the concepts of relative computability, foreshadowed...

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April 21

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Leslie Banks, American actor, director and producer (b. 1890) 1954 – Emil Leon Post, Polish-American mathematician and logician (b. 1897) 1956 – Charles...

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List of naturalized American citizens

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the Soviet Union (modern day Russia). Became a U.S. citizen in 2000. Emil Leon Post John von Neumann – Born and raised in Hungary. Became an American citizen...

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Fuzzy concept

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Nietzsche, Hugh MacColl, Charles S. Peirce, Max Black, Jan Łukasiewicz, Emil Leon Post, Alfred Tarski, Georg Cantor, Nicolai A. Vasiliev, Kurt Gödel, Stanisław...

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List of Polish Jews

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Kazimierz Kuratowski Leon Lichtenstein Adolf Lindenbaum Szolem Mandelbrojt Benoit Mandelbrot Edward Marczewski Andrzej Mostowski Emil Leon Post Mojżesz Presburger...

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List of logicians

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1923–1969) Porphyry (c. 234–c. 305) Henry Pogorzelski (US, 1922–2015) Emil Leon Post (US, 1897–1954) Dag Prawitz (Sweden, born 1936) Mojżesz Presburger (Poland...

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List of Polish mathematicians

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http://www-gap.dcs.st-and.ac.uk/~history/Biographies/Post.html O'Connor, John J.; Robertson, Edmund F., "Emil Leon Post", MacTutor History of Mathematics Archive...

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List of City College of New York people

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in area of ohmic contacts Emil Leon Post – distinguished mathematician and professor of mathematics at CCNY George Edward Post – BA in 1854, MA in 1857...

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List of mathematicians born in the 19th century

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Martin (1869–1936) E. H. Moore (1862–1932) Marston Morse (1892–1977) Emil Leon Post (1897–1954), logic and computability theory Mildred Sanderson (1889–1914)...

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Timeline of mathematical logic

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Boolean closure algebras. 1944 - Emil Leon Post introduces the partial order of the Turing degrees, and also introduces Post's problem: to determine if there...

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February 11

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educator, college administrator, and civil rights leader (d. 1980) 1897 – Emil Leon Post, Polish-American mathematician and logician (d. 1954) 1898 – Leo Szilard...

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List of Jewish mathematicians

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Australian Mathematical Society. 38 (1): 33–36. O'Connor & Robertson, Emil Leon Post. Zygmunt, Jan (1991). "Mojżesz Presburger: Life and Work". History and...

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Simple set

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were devised by Emil Leon Post in the search for a non-Turing-complete c.e. set. Whether such sets exist is known as Post's problem. Post had to prove two...

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List of philosophers born in the 19th century

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Henri Poincaré, (1854–1912)[a][b][c][d] Michael Polanyi, (1891–1976)[d] Emil Leon Post, (1897–1954)[d] Roscoe Pound, (1870–1964)[d] Karl von Prantl, (1820–1888)...

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List of Polish people

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Piotr S. Wandycz, Polish-American historian of Central and Eastern Europe Leon Wasilewski Ewa Wipszycka, historian and papyrologist Richard Woytak, World...

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