Churchill, Robert Paul <br/><br/>
Logic :   an introduction /  
Robert Paul Churchill 
 - Second Edition 
 - New York :   St. Martin's Press,   ©1990. 
 - xvii, 635 pages :   illustrations ;   25 cm 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0-312-02353-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic
<br/><br/><label>Dewey Class. No.: </label>DC 160  / C47