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

 -  1965 
<br/><br/><label>Standard No.: </label>65,110 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PHILOSOPHY
<br/><br/><label>Dewey Class. No.: </label>R14, K51