Cohen, Morris R. (Raphael),  1880-1942 <br/><br/>
An introduction to logic / 
by Morris R. Cohen and Ernest Nagel. 
 - London :  Routledge & Kegan Paul ,  1963. 
 - 226 p. :  ill. ;  22 cm. 
<br/><br/> This book corresponds to the first part by the same authors, An Introduction to Logic and Scientific Method. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.