TY  - BOOK
AU  - Schwartz, Diane Driscoll
TI  - Conjecture and proof: An introduction to mathematical thinking 
SN  - 003098338X
U1  - 511.3 
PY  - 1997///
CY  - New York
PB  - Saunders College
KW  - Set theory
KW  - Mathematical logic
ER  -