Jan Łukasiewicz dating history

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Jan Łukasiewicz (21 December 1878 – 13 February 1956) was a Polish logician and philosopher best known for Polish notation and Łukasiewicz logic. He was born in Lemberg, a city in the Galician kingdom of Austria-Hungary (now Lviv, Ukraine). 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. Modern work on Aristotle's logic builds on the tradition started in 1951 with the establishment by Łukasiewicz of a revolutionary paradigm. The Łukasiewicz approach was reinvigorated in the early 1970s in a series of papers by John Corcoran and Timothy Smiley—which inform modern translations of Prior Analytics by Robin Smith in 1989 and Gisela Striker in 2009. Łukasiewicz is regarded as one of the most important historians of logic.