Beth, Evert Willem. Mathematical thought : an introduction to the philosophy of mathematics / [by] Evert W. Beth. - Dordrecht, Holland : D. Reidel Pub. Co., 1965 - xii, 208 p. : ill.; 23 cm. - Synthese library. . Bibliography: p. 193-200. Subjects--Topical Terms: Mathematics--Philosophy. Dewey Class. No.: 510.1 / BEM 1965