Copi, Irving M. <br/><br/>
Introduction to logic /  
Irving M.Copi, Carl Cohen 
 - 7th ed. 
 - New York :    Macmillan,    1986 
 - xix, 729 p. :    ill. ;    24 cm. 
<br/><br/>  Includes index. 
<br/><br/><label>ISBN: </label>8120309421 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Logic
<br/><br/><label>Dewey Class. No.: </label>160