Plato Jan Von <br/><br/>
Element of Logical Reasonig 

 - United Kingdom  Cambridge university press  2013 
 - 264p. 
<br/><br/><label>ISBN: </label>978-1--1003659-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reasoning
<br/><br/><label>LC Class. No.: </label>QA 9  / .V66 2013