Cooley, John C. <br/><br/>
A primer of formal logic 

 - New York:   Macmillan,   1942. 
 - xi, 378 p.  tablas;  
<br/><br/><label>Subjects--Topical Terms: </label><br/>LOGICA FORMAL
<br/><br/><label>Universal Decimal Class. No.: </label>510.64