Introduction to logic 
Copi, Irving M. 
 - Eleventh edition. 
 -  Pearson Education South Asia Pte. Ltd.  2002 
 - xviii, 647 pages 
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<br/><br/><label>ISBN: </label>9-81247027-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.
<br/><br/><label>Dewey Class. No.: </label>160 C79i 2002