Leblanc, Hugues <br/><br/>
An introduction to deductive logic 
Hughes Leblanc 
 - New York :  Wiley,  1955 
 - 244 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LÓGICA<br/>LOGICA SIMBOLICA Y MATEMATICA<br/>DEDUCCION
<br/><br/><label>Dewey Class. No.: </label>162  / L44