Hughes, G. E.  1918- <br/><br/>
A new introduction to modal logic  [electronic resource] / 
G.E. Hughes and M.J. Cresswell. 
 - London ;  New York :  Routledge,  1996. 
 - x, 421 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references (p. 384-397) and index. 
<br/><br/><br/>Electronic reproduction. <br/>Palo Alto, Calif. : <br/>ebrary, <br/>2005. <br/>Available via World Wide Web. <br/>Access may be limited to ebrary affiliated libraries. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Modality (Logic)
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>BC199.M6  / H85 1996eb 
<br/><br/><label>Dewey Class. No.: </label>160