Wolf, Robert S <br/><br/>
Proof, logic, and conjecture 
 the mathematician`s toolbox 

 - New York  W.H. Freeman  1998 
<br/><br/><label>ISBN: </label>0716730502 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LOGIC, SYMBOLIC AND MATHEMATICAL<br/>MATHEMATICS--HANDBOOKS, MANUALS, ETC<br/>SET THEORY
<br/><br/><label>LC Class. No.: </label>QA 9 Wol