The snake and the fox : An introduction to logic 
Haight, Mary. 
 -  Routledge.  1999 
 - xi,494 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-415-16694-2 
<br/><br/><label>Dewey Class. No.: </label>160 H13s 1999