Copi, Irving M. <br/><br/>
Introduction to logic / 
Irving M. Copi, Carl Cohen 
 - 9th ed 
 - N.Y. :  Macmillan Pub. Co.,  c1994 
 - xix , 729 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0023250410 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.
<br/><br/><label>Dewey Class. No.: </label>160  / COP