Englewood Cliffs, NJ, c1964: Prentice-Hall. 5th printing. Black cloth. pp (viii). 536. Faint foxing to top page edges, else fine. Jacket has rubbing and a small chip, VG otherwise. Included are papers and selections by Carnap, Heyting, Von Neumann, Brouwer, Frege, Russell, Wittgenstein, Hilbert, Quine, Godel, Dummett, and others.; Octavo