TY  - BOOK
AU  - Basson,A.H.
AU  - O'connor,D.J.
TI  - Introduction to symbolic logic
U1  - 511.3 23
PY  - 1959/// [Reprinted 1970]
CY  - London
PB  - Tutorial
KW  - Logic, Symbolic and mathematical
N1  - Includes index
ER  -