Whitehead, Alfred North <br/><br/>
Principia mathematica / 
by Alfred North Whitehead and Bertrand Russell 
 - 2nd ed. 
 - Cambridge [Eng.] ;  New York :  Cambridge University Press,  1927 
 - 3 v. ;  25 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>052106791X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/>Mathematics--Philosophy<br/>Logic, Symbolic and mathematical