Wilder, Raymond Louis,  1896- <br/><br/>
Introduction to the foundations of mathematics / 
Raymond L. Wilder. 
 - 2nd ed. 
 - New York :  J. Wiley,  [1965] 
 - xvi, 327 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Philosophy.<br/>Logic, Symbolic and mathematical.