TY  - BOOK
AU  - Anderson, Alan Ross,
TI  - Entailment. The logic of relevance and necessity
U1  - 164 
PY  - 1975///
CY  - New Jersey
PB  - Princeton University
KW  - LOGICA
KW  - RELEVANCIA
KW  - NECESIDAD
KW  - CALCULO
ER  -