00683nam a2200217Ia 4500 191130s1997##################000#0#eng## 9780198537793 97185365 ACL ACL 511.3 CHA Chagrov, Alexander Modal logic Alexander Chagrov and Michael Zakharyaschev Oxford Clarendon Press ; Oxford University Press c1997 xv, 605 p. : ill. ; 24 cm Includes bibliographical references (p. [567]-595) and index Modality (Logic) Zakharyaschev, Michael 2a546a56ac10000c54d6a8d264647b3b 281123 380345 380345