Copi, Irving M. <br/><br/>
Introduction to logic / 
Irving M. Copi 
 - 3rd ed. 
 - London :  The macmillan company,  1968 
 - 482 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.
<br/><br/><label>LC Class. No.: </label>BC108  / C783I5 1968