Sundstrom, Theodore A. <br/><br/>
Mathematical reasoning writing and proof / 
Ted Sundstrom 
 - 2nd ed. 
 - Upper Saddle River, NJ :  Pearson Prentice Hall,  2006 
 - xviii, 514 p. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0131877186 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Proof theory