TY  - BOOK
AU  - Basson A H
AU  -  C'Connor D J
TI  - Introduction to symbolic logic
U1  - R14, J9 
PY  - 1959///
CY  - London
PB  - University Tutorial Press U. K.      
KW  - Philosophy-Symbolic Logic
N1  - Bibliography: P 163-64; Appendix: P 143-62
ER  -