Mendelson E. <br/><br/>
Introduction to mathematical logic 
Elliott. M. 
 - 3rd 
 - California   Wadsworth & brooks/cole advanced books & software  1987 
 - ix, 341p, ;ill  hbk 
<br/><br/><label>ISBN: </label>0534066240 
<br/><br/><label>LC Class. No.: </label>QA9.M4