TY  - BOOK
AU  - Hintikka,Jaakko
AU  - Bachman,James
TI  - What if-- ?: toward excellence in reasoning 
SN  - 0874849640
AV  - BC177 .H59 1991
U1  - 160 20
PY  - 1991///
CY  - Mountain View, Ca.
PB  - Mayfield Pub.
KW  - Reasoning
KW  - Critical thinking
N1  - Includes index
ER  -