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SEP Entry on Łukasiewicz

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Submitted by Richard Zach on Thu, 05/15/2014 - 12:17pm

Jan Łukasiewicz The SEP finally has an entry on Jan Łukasiwicz, by Peter Simons:

Jan Łukasiewicz (1878–1956) was a Polish logician and philosopher who introduced mathematical logic into Poland, became the earliest founder of the Warsaw school of logic, and one of the principal architects and teachers of that school. His most famous achievement was to give the first rigorous formulation of many-valued logic. He introduced many improvements in propositional logic, and became the first historian of logic to treat the subject’s history from the standpoint of modern formal logic.