TY - BOOK AU - Beth,Evert Willem TI - Aspects of modern logic T2 - Synthese library SN - 9027701733 AV - BC78.D8 B413 U1 - 160 PY - 1970///] CY - Dordrecht PB - Reidel KW - Logic N1 - Edited by E. M. Barth and J. J. A. Mooij; translated from the Dutch by D. H. J. de Jongh and S. De Jongh-Kearl; Translation of Moderne logica; Bibliography: p. [166]-170 ER -