Lorenzen, Paul  1915-1994 <br/><br/>
Formal logic / 
Paul Lorenzen ; translated from the German by Frederick J. Crosson. 
 - Dordrecht:   D. Reidel,   1965.  
 - viii, 123 p. :  ill. ;  23 cm. 
<br/><br/> Translation of: Formale Logik 
<br/><br/>Includes bibliography and indexes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic
<br/><br/><label>Dewey Class. No.: </label>160