TY  - BOOK
AU  - White,Alan R
TI  - Modal thinking 
SN  - 0801409918
AV  - BC199.M6 W45
U1  - 160 22
PY  - 1975///
CY  - Ithaca
PB  - Cornell University Press
KW  - Modality (Logic)
KW  - Thought and thinking
N1  - Includes index; Bibliography: p. [182]-188
ER  -