Hackstaff, L. H. <br/><br/>
Systems of formal logic / 
L. H. Hackstaff 
 - Dordrecht :  D. Reidel Pub.,  1966 
 - xi, 354 p. ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> PND 80.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic, Symbolic and mathematical
<br/><br/><label>Dewey Class. No.: </label>164