Principles of mathematical logic / by D. Hilbert and W. Ackermann; translated from the German by Lewis M. Hammond, George G. Leckie [and] F. Steinhardt. Edited and with notes by Robert E. Luce. Hilbert, David, 1862-1943. Ackermann, W. (Wilhelm), 1896- joint author. Logic, Symbolic and mathematical. BC135 .H514 519.9 HIP "Published and distributed in the public interest by authority of the Attorney General under licence no. A-1428." Translation of the 2d ed. of the authors' Grundzüge der theoretischen Logik, published in 1938." Bibliography: p. 169-170. New York : Chelsea Pub. Co., c1950. c1950. 1950 Text xii, 172 p. : eng engger