TY  - BOOK
AU  - Martin, Robert M
TI  - Introducing symbolic logic
SN  - 9781551116358
SN  - 200455748
U1  - 160 MAR 
PY  - 2004///
CY  - Peterborough, Ont
PB  - Broadview Press
KW  - Logic, Symbolic and mathematical - Textbooks
ER  -