Langer, Susanne K.  1895-1985. <br/><br/>
An introduction to symbolic logic / 
by Susanne K. Langer 
 - 2nd ed., rev. 
 - New York :  London :  Dover ;  Constable,  1953. 
 - 367 p. :  ill. ;  21 cm. 
<br/><br/>Bibliography: p. 356-360 Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic, Symbolic and mathematical
<br/><br/><label>Dewey Class. No.: </label>511.3   / LAI 1953