Crossley, John N. <br/><br/>
What is mathematical logic? 
Crossley, John N. 
 - 82 p. : ill; 
 - Oxford paperbacks university series, 60 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic, Symbolic and mathematical.
<br/><br/><label>Dewey Class. No.: </label>511.3