Cohen, Morris Raphael,  1880-1947. <br/><br/>
Logic :  an introduction to / 
by Morris R. Cohen and Ernest Nagel 
 - London :  Routledge & Kegan Paul,  1963 
 - 226 p. ;  21 cm. 
<br/><br/> This edition contains only the first part of the original text first published in 1934 under title: An introduction to logic and scientific method. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic<br/>Methodology