Bason, A H <br/><br/>
Introduction to symbolic logic 
A.H.Bason and  D.J.O'Connor 
 - 3rd 
 - Calcutta  Oxford University Press  1976 
 - viil,175 p.;20 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> Rs.32.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy-logic
<br/><br/><label>Dewey Class. No.: </label>160  / BAS