Copi, Irving M. <br/><br/>
Symbolic logic / 
Irving M. Copi 
 - 5th ed. 
 - India  PHI Learning  1979 
 - 398 p. 
<br/><br/><label>ISBN: </label>9788120309708 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic, Symbolic and mathematical.
<br/><br/><label>Dewey Class. No.: </label>511.3 COP-I