TY  - BOOK
AU  - Sainsbury,Mark
TI  - Logical forms: an introduction to philosophical logic 
SN  - 9780631216797
AV  - BC135 S246L 2001
PY  - 2001///
CY  - Malden, Mass.
PB  - Blackwell
KW  - LOGIC, SYMBOLIC AND MATHEMATICAL
N1  - Includes bibliographical references and index
ER  -