Ehlers Henry <br/><br/>
Logic by way of set theory 

 - New York   Holt Rinehart and Winston Inc.   
 - xi, 386p  cm. 
<br/><br/><label>Standard No.: </label>244173 
<br/><br/><label>Source: </label> Textbook 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PHILOSOPHY
<br/><br/><label>Dewey Class. No.: </label>R10B217, K8;1