Polish logician, mathematician, philosopher, rector of the University of Warsaw (1878–1956) From Wikipedia, the free encyclopedia
In the early 1920s, the Polish mathematician Jan Lukasiewicz discovered that if operators were written before the operands (prefix or Polish notation; for example, + a b), the parentheses are not needed. He was born on 21 December 1878 in Lemberg, Galicia, Austria-Hungary and died on 13 February 1956 in Dublin, Ireland. He was aged 77.
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