Jeffrey,   Richard  C.  x <br/><br/>
Formal  logic  its  scope  and  limits  x 

 - x 
 - N, Y.  Mc Graw-Hill,  1967 
 - xii, 238p 
<br/><br/>
<br/><br/><label>ISBN: </label>x   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic Logic 
<br/><br/><label>Dewey Class. No.: </label>160/JEF