Crossley,J N <br/><br/>
What is mathematical logic ? 

 - New York  Oxford University  1972 
 - x,82p. 
<br/><br/><label>ISBN: </label>0198880871 
<br/><br/><label>Subjects--Index Terms: </label>mathematical logic 
<br/><br/><label>Dewey Class. No.: </label>510  / CRO