Pospesel, Howard,  1937- <br/><br/>
Propositional logic 

 - Englewood Cliffs, N.J.  Prentice-Hall  1974 
 - xii, 211 p.; illus. 23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0134862171 
<br/><br/><label>LCCN: </label>73-017397 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Proposition (Logic)<br/>Logic, Symbolic and mathematical<br/>Reasoning