Introduction to mathematical philosophy / by Bertrand Russell. Mathematical philosophy. Russell, Bertrand, 1872-1970. Mathematics Philosophy. QA9 .R8 1924 510.1 RUI "First published May 1919. Second edition April 1920. Reprinted May 1924." Includes index. London : New York : G. Allen & Unwin, ltd.; The Macmillan co., 1920. 1920. 1924 Text viii, 208 p. ; eng Library of philosophy, ed. by J.H. Muirhead Library of philosophy.