Eccles, Peter J. <br/><br/>
An introduction to mathematical reasoning :  numbers, sets, and functions / 
 Mathematical reasoning 
Peter J. Eccles 
 - Cambridge :  Cambridge University Press,  2007 
 - xii, 350 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780521597180 (pbk.) 0521597188 (pbk.) 9780521592697 (hbk.) 0521592690 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Proof theory