Thomas ,Stephen Naylor <br/><br/>
Practical Reasoning in Natural Language 
By Stephen Naylor Thomas 
 - Fourth Edition 
 -   Prentice Hall  1997 
 - xvi, 504 pages, 23 cm. 
<br/><br/> include index 
<br/><br/><label>ISBN: </label>0-13-678269-8 
<br/><br/><label>Dewey Class. No.: </label>160 T36 1997