Copi, Irving M. <br/><br/>
Symbolic logic / 
by Irving M. Copi. 
 - 5th ed. 
 - New York :  Macmillan,  1979. 
 - xiii, 398 p. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0023249803 
<br/><br/><label>LCCN: </label>78015671  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic, Symbolic and mathematical.
<br/><br/><label>LC Class. No.: </label>BC135 .C58 1979 
<br/><br/><label>Dewey Class. No.: </label>511/.3