Thomason, Richard H. <br/><br/>
Symbolic logic  an introduction 
by Richmond H. Thomason, 
 - London  Macmillan Co.  1970 
 - xiii, 367p, incl bibl. & ind. 
<br/><br/><label>LCCN: </label>72-83069 
<br/><br/><label>Dewey Class. No.: </label>511.3  / N702