Jan Łukasiewicz

✶December 21, 1878

†February 13, 1956

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About their life

Jan Leopold Łukasiewicz was a Polish logician, and philosopher who is best known for Polish notation and Łukasiewicz logic. His work centred on philosophical logic, mathematical logic and history of logic. He thought innovatively about traditional propositional logic, the principle of non-contradiction and the law of excluded middle, offering one of the earliest systems of many-valued logic. Contemporary research on Aristotelian logic also builds on innovative works by Łukasiewicz, which applied methods from modern logic to the formalization of Aristotle's syllogistic.

Polish logician, mathematician, philosopher, rector of the University of Warsaw (1878–1956)

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Biography from the article Jan Łukasiewicz on the English Wikipedia, available under CC BY-SA 4.0.