TY  - BOOK
AU  - Forbes,Graeme
TI  - The metaphysics of modality
SN  - 0198244320 :
U1  - 111.1 
PY  - 1985///
CY  - Oxford
PB  - Clarendon Press
KW  - Modality (Logic)
KW  - Metaphysics
N1  - Includes bibliographical references and index
ER  -