1845-1918 1848-1925 512 algebra algebraicfunctions artificialintelligence borelsets cantor combinatorialanalysis computerscience congresses cylindricalgebras distribution(probabilitytheory) frege georg gottlob history logic logicprogramming mathematicalstatistics mathematics modality(logic) philosophy philosophyandscience stochasticprocesses symbolicandmathematical universal universalalgebra