TY  - BOOK
AU  - Gale, Richard M. 
TI  - Negation and non-being
T2  - Monograph series
SN  - 97806311154030631115404
AV  - BC199.N4  .G34 1976
PY  - 1976///
CY  - Oxford  
PB  - Oxford Blackwell, 
KW  - Negation (Logic)Proposition (Logic)Nonbeing
ER  -