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Reverse Polish notation
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Reverse Polish notation, also known as reverse Łukasiewicz notation, Polish postfix notation or simply postfix notation, is a mathematical notation in which operators follow their operands, in contras
A promotional Hewlett-Packard "No Equals" hat from the 1980s – both a boast and a reference to RPN
A promotional Hewlett-Packard "No Equals" hat from the 1980s – both a boast and a reference to RPN
Jan Łukasiewicz
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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 l
Reverse Polish notation
…side effects and implications depending on the actual implementation involving a stack. The description "Polish" refers to the nationality of logician Jan Łukasiewicz, who invented Polish notation in 1924. The first computer to use postfix notation, though it long remained essentially unknown outside of Germany, was…
Łukasiewicz in 1935
Łukasiewicz in 1935
Warsaw University Library – at entrance (seen from rear) are pillared statues of Lwów-Warsaw School philosophers (right to left) Kazimierz Twardowski,
Warsaw University Library – at entrance (seen from rear) are pillared statues of Lwów-Warsaw School philosophers (right to left) Kazimierz Twardowski, Jan Łukasiewicz, Alfred Tarski, Stanisław Leśniewski.