Hurley, Patrick J. <br/><br/>
A concise introduction to logic / 
by Patrick J. Hurley. 
 - 3rd ed. 
 - Belmont, Calif :  Wadsworth Pub. Co.,  c1988. 
 - xiv, 541 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0534089283  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.