TY  - GEN
AU  - Patterson, Richard
TI  - Aristotles modal logic: Essence and entailment in the Organon
SN  - 0521522331
U1  - 160 
PY  - 1995///
CY  - Cambridge
PB  - University Press
KW  - Modality Logic
N1  - Contine Bibliografie si Index
ER  -