Mendelson, Elliott <br/><br/>
Introduction to mathematical logic / 
Elliott Mendelson 
 - 2nd ed. 
 - New York :  D. Van Nostrand,  1979 
 - viii, 328 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 269-287) and index 
<br/><br/><label>ISBN: </label>0442253079 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic, Symbolic and mathematical