TY  - BOOK
AU  - Copi Irving M
AU  - Copi Irving M
TI  - Symbolic Logic
SN  - 9788120309708 (pbk)
U1  - B:(R14), L9 
PY  - 1979///
CY  - New Delhi
PB  -  PHI      
N1  - Appendix A-C 333-354p.; Special symbols 381-384p.; Index 385-398p
ER  -