Smullyan, Raymond M. <br/><br/>
First-order logic / 
Raymond M. Smullyan. 
 - Berlin :  New York [etc.]  Springer-Verlag,  1968. 
 - xii, 158 p. :  24 cm. 
<br/><br/>Bibliography: p. [156] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic, Symbolic and mathematical
<br/><br/><label>Dewey Class. No.: </label>511.3   / SMF 1968