Modal logic :
Chellas, Brian F.
Modal logic : an introduction / Brian F. Chellas. - Cambridge [Eng.] ; New York : Cambridge University Press, [1980] - xii, 295 p. : ill. ; 24 cm.
Includes indexes.
Bibliography: p. [278]-279.
0521224764 0521295157 (pbk.)
76047197
Modality (Logic)
Modal logic : an introduction / Brian F. Chellas. - Cambridge [Eng.] ; New York : Cambridge University Press, [1980] - xii, 295 p. : ill. ; 24 cm.
Includes indexes.
Bibliography: p. [278]-279.
0521224764 0521295157 (pbk.)
76047197
Modality (Logic)