Carnap, Rudolf  1891-1970 <br/><br/>
Meaning and necessity :   a study in semantics and modal logic 

 - 2nd ed. 
 - Chicago :   University of Chicago,   1956. 
 - 258 páginas 
 - Phoenix Books .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logica