Lemmon, E. J. <br/><br/>
Beginning logic / 
E. J. Lemmon. 
 - x, 225 p. ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0915144506 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Propositional calculus.<br/>Predicate calculus.
<br/><br/><label>LC Class. No.: </label>QA3. LEM 1978