Lorenzen, Paul. <br/><br/>
Formal logic 

 - Dordrecht :  Reidel,  1965 
 - 123 p. 
 - Synthese library .
 - Synthese library .
<br/><br/><label>LCCN: </label>32944 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lógica.
<br/><br/><label>Dewey Class. No.: </label>160  / L6