Hughes G. E. <br/><br/>
Elements of formal logic 

 - London  University Paperbacks UK       1965 
 - xii, 397p.  cm. 
<br/><br/><label>Standard No.: </label>1,674 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PHILOSOPHY
<br/><br/><label>Dewey Class. No.: </label>R1, K51