Agazzi, Evandro <br/><br/>
La logica simbolica. 

 - Barcelona  Editorial Herder  1967. 
 - 355 p. 
<br/><br/><label>LCCN: </label>67045008  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic, Symbolic and mathematical
<br/><br/><label>LC Class. No.: </label>BC135  / .A35