Rybakov, Vladimir V <br/><br/>
Admissibility of logical inference rules 

 - Amsterdam:  Elsevier,  1997 
 - 617 p. : ill. ; 24 cm 
<br/><br/><label>ISBN: </label>9780444895059 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inference
<br/><br/><label>Dewey Class. No.: </label>511.3 RYB