Volpe Galvano Della <br/><br/>
Logic as a positive science. 

 - London  NLB         1969 
 - xviii,268p.  cm. 
<br/><br/><label>Standard No.: </label>43042 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>R1, K9