00827nam0-22002411i-450-990001207430403321000120743FED01000120743(Aleph)000120743FED0100012074320000920d1978----km-y0itay50------baengMathematical LogicProceedings of the firts Brazilian Conference held at the State University of Campinas, Brazil from 4 to 6 July 1977Edited by Ayda I. Arruda, Newto n C.A. da Costa, Rolando Chuaqui.New York [etc.]Marcel Dekker1978Lecture notes in pure and applied mathematics39ITUNINARICAUNIMARCBK990001207430403321C-7-(3920453MA1MA1Mathematical logic55352UNINAING01