Hughes G E <br/><br/>
Introduction to model logic 
Hughes G E; Creeswell M J 
 - London  Methuen UK        1968 
 - 388p.  cm. 
<br/><br/><label>Standard No.: </label>1,684 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LOGIC
<br/><br/><label>Dewey Class. No.: </label>R1, K8