Basson, A. H. <br/><br/>
Introduction to symbolic logic 
/ by A. H. Basson and D. J. O'Connor 
 - London  University Tutorial Press  1960 
 - 175 p. illus. 19 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>LCCN: </label>60-050874 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic, Symbolic and mathematical