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

 - 2 
 - New York  Macmillan           1965 
 - xviii,395p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy-Symbolic Logic
<br/><br/><label>Dewey Class. No.: </label>R14, K5