TY  - BOOK
AU  - Berger,Fred R.
TI  - Studying deductive logic
SN  - 0138588112 :
AV  - BC71 .B4
U1  - 162 
PY  - 1977///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Logic
N1  - Includes index; Bibliography: p. 147-149
ER  -