Das, Ramaprasad <br/><br/>
Logic of truth-functions  an introduction to symbolic logic 
Ramaprasad Das 
 - Calcutta  Firma k. l. mukhopadhyay  1964 
 - xix, 368p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> Rs.45 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic<br/>Philosophy
<br/><br/><label>Dewey Class. No.: </label>160  / DAS