DAS, A. C. <br/><br/>
Negative fact,negation and truth 
Adhar Chandra Das 
 - Cacutta  University of Calcutta  1942 
 - xxiii,294p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LOGIC
<br/><br/><label>Dewey Class. No.: </label>PHIL 160  / DAn42