Hintikka, Jaakko <br/><br/>
Models for modalities 
Jaakko Hintikka 
 - Dordrecht :  D. Reidel Pub. Co.,  1969. 
 - x, 220p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Modality (Logic)
<br/><br/><label>LC Class. No.: </label>BC199.M6H55