Adolf Lindenbaum (born June 12, 1904 in Warsaw, Poland; died 1941 in Paneriai), was a Polish Jewish logician and mathematician. He was a student of Wacław Sierpiński, became a distinguished author of works on set theory and had served as an Assistant Professor at Warsaw University. He was killed by the Germans in Paneriai (Ponary), near Vilnius. June 12 is the 163rd day of the year in the Gregorian calendar (164th in leap years), with 202 days remaining. ... 1904 (MCMIV) was a leap year starting on a Friday (link will take you to calendar). ... Warsaw (Polish: , (?), in full The Capital City of Warsaw, Polish: Miasto StoÅ‚eczne Warszawa) is the capital of Poland and its largest city. ... For the movie, see 1941 (film) 1941 (MCMXLI) was a common year starting on Wednesday (the link is to a full 1941 calendar). ... Paneriai (Polish: , German: ) is a suburb of Vilnius, situated about 10 kilometres away from the city centre. ... The word Jew (Hebrew: יהודי) is used in a wide number of ways, but generally refers to a follower of the Jewish faith, a child of a Jewish mother, or someone of Jewish descent with a connection to Jewish culture or ethnicity and often a combination of these attributes. ... A logician is a philosopher, mathematician, or other whose topic of scholarly study is logic. ... Leonhard Euler is considered by many people to be one of the greatest mathematicians of all time A mathematician is a person whose primary area of study and research is mathematics. ... WacÅ‚aw Franciszek SierpiÅ„ski (March 14, 1882 — October 21, 1969), a Polish mathematician, was born and died in Warsaw. ... Set theory is the mathematical theory of sets, which represent collections of abstract objects. ... A professor is a senior teacher and researcher, usually in a college or university. ... Warsaw University (Polish Uniwersytet Warszawski) - the biggest and one of the most prestigious universities in Poland. ... Location Ethnographic region AukÅ¡taitija County Vilnius County Municipality Vilnius city municipality Elderate Number of elderates 20 Coordinates General information Capital of Lithuania Vilnius County Vilnius city municipality Vilnius district municipality Population (rank) 540,318 in 2005 (1st) First mentioned 1323 Granted city rights 1387 Vilnius ( (help· info), see also...

Among his most famous works is the Lindenbaum's lemma and Lindenbaum-Tarski algebra. In mathematical logic, the Lindenbaum-Tarski algebra A of a logical theory T consists of the equivalence classes of sentences p of the theory, under the equivalence relation ~ defined by p ~ q when p and q are logically equivalent in T. That is, in T q can be deduced from...

External links

• Page on Sierpinski, contains fragments of his memoires mentioning the murder of Lindenbaum