Wolfram, Sybil,   1931- <br/><br/>
Philosophical logic :  an introduction / 
Sybil Wolfram. 
 - London :  Routledge,   1989. 
 - xiv, 290 p. ;   22 cm. 
<br/><br/>Includes bibliographical references (p. 263-269.) and index. 
<br/><br/><label>ISBN: </label>0415023181 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.
<br/><br/><label>Dewey Class. No.: </label>160