Copi, Irving M.. <br/><br/>
Introduction to logic /  
Irving M. Copi and Carl Cohen. 
 - 9th ed. /   . 
 - New Delhi :   Prentice Hall of India ,   1995. 
 - 229p. :   ill. ;   24cm .  
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<br/><br/><label>ISBN: </label> Rs. 175.00 (175) 
<br/><br/><label>Subjects--Index Terms: </label>LOGIC 
<br/><br/><label>Dewey Class. No.: </label>160  / COP/I