Copi, Irving M <br/><br/>
Symbolic logic 

 - 5th ed. 
 -  New Delhi : PHI,  1979 
 - xiii+398 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Symbolic logic
<br/><br/><label>Dewey Class. No.: </label>511.3  COP