TY  - BOOK
AU  - Jeffrey,Richard C.
TI  - Formal logic: : its scope and limits
SN  -  0872208133
AV  - BC128.J43 2006 
PY  - 2006///
CY  - Indianapolis : 
PB  - Hackett Pub.Co., 
KW  - First-order logic--Textbooks
N1  - Includes bibliographical references and index
ER  -