Michalos, Alex C. <br/><br/>
Principles of logic/ 
Alex C. Michalos. 
 - Englewood Cliffs, N.J.:  Prentice-Hall,  [1969]. 
 - xiii, 433 p.:  illus.,  25 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0137094027 
<br/><br/><label>LCCN: </label>70077905 
<br/><br/><label>Nat. Bib. No.: </label>GB70-698 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.
<br/><br/><label>Dewey Class. No.: </label>511.3  / M621p