Cohen, Morris Raphael,  1880-1947. <br/><br/>
An introduction to logic and scientific method / 
by Morris R. Cohen and Ernest Nagel. 
 - London :  George Routledge & Sons,  1934 [reprint 1972]  
 - xii, 467 p. :  ill. ;  23 cm 
<br/><br/> Also published: New York : Harcourt, Brace, 1934.  Includes exercises  Includes bibliographical footnotes and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.
<br/><br/><label>Dewey Class. No.: </label>160   / COI 1972