Smullyan Raymond M <br/><br/>
Theory of formal systems 

 -  1961 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>69467 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra
<br/><br/><label>Dewey Class. No.: </label>B29:R1, K1