TY  - BOOK
AU  - Patterson, Richard
TI  - Aristotle's modal logic : essence and entailment in the Organon
SN  - 9780521522335
U1  - 160 PAT 
PY  - 1995///
CY  - Cambridge
PB  - Cambridge Univeristy Press
KW  - Aristotle. Organon
ER  -