ROY, P. K <br/><br/>
A Text-book of deductive logic 
RAY,P.K. 
 - 4th ed. 
 - London  Macmillan  1913 
 - xvi,322p. 
<br/><br/><label>ISBN: </label> 0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DEDUCTIVE LOGIC
<br/><br/><label>Dewey Class. No.: </label>PHIL 162  / RPn13