Copi, I.M. <br/><br/>
Introduction to logic   

 - 11th /   2005. 
 - N.Delhi:  Prentice Hall.  2005. 
 - 647p:  24cm. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Mathematics, Logic. 
<br/><br/><label>Dewey Class. No.: </label>511.3