Smullyan, Raymond M. <br/><br/>
First-order logic / 
Raymond M. Smullyan. 
 - New York :  Dover Publications, Inc,  1995. 
 - xii, 158 p. ;  22 cm 
<br/><br/><label>ISBN: </label>9780486683706  USD 9.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic
<br/><br/><label>Dewey Class. No.: </label>511.3  / S6669