Philosophy
Philosophy
FILIASI CARCANO, P., E. W. BETH, A. PAP, G. BERGMANN, M. LINS, C. PERELMAN, L. OLBRECHTS-TYTECA, F. H. HEINEMANN, E. PACI, R. SABARNI, E. MINKOWSKI, J. WYRSCH, F. BARONE.
Semantica.Roma, Fratelli Bocca Editori, 1955.
GRADSHTEIN, I. S.
Direct and Converse Theorems. ..Oxford & London & New York & Paris, Pergamon Press, 1963.
STOLL, ROBERT R.
(Introduction to) Set Theory a..San Francisco & London, W. H. Freemann and Company, (1963).
KOBRINSKII, N. E. & B. A. TRAKHTENBROT.
Introduction to the Theory of ..Amsterdam, North-Holland Publ. Comp., 1965.