Lewis, Clarence Irving <br/><br/>
Symbolic logic / 
by Clarence Irving Lewis and Cooper Harold Langford 
 - 2nd ed. 
 - New York :  Dover Publications,  c1959. 
 - [5] 518 p. [16] :  ill. ;  22 cm. 
<br/><br/> Includes indexes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic, Symbolic and mathematical.
<br/><br/><label>Dewey Class. No.: </label>511.3  / LES 1959