Wald, Henri <br/><br/>
Introduction to dialectical logic / 
by Henri Wald. 
 - Bucuresti :  Editura Academiei ,  1975 
 - 240 p. ;  25 cm. 
 - Philosophical currents  v.14 .
<br/><br/>Includes bibliographical footnotes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.
<br/><br/><label>Dewey Class. No.: </label>160 WAL