TY  - BOOK
AU  - Beall,J.C.
AU  - Van Fraassen,Bas C.
TI  - Possibilities and paradox: an introduction to modal and many-valued logic 
PY  - 2003///
CY  - Oxford, New York
PB  - Oxford University Press
KW  - Logica modale
KW  - Introduzioni
KW  - sbaa
N1  - Bibliografia (p. 225-230) e indice
ER  -