Discrete mathematics :  logic and structures / 
Elizabeth J. Billington ... [et al.]. 
 - Melbourne :  Longman Cheshire,  1990. 
 - x, 281 p. ; 
<br/><br/><label>ISBN: </label>0582662745 
<br/><br/><label>LCCN: </label>90064139 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science--Mathematics.<br/>Mathematics--Problems, exercises, etc.<br/>Logic, Symbolic and mathematical--Problems, exercises, etc.<br/>Computer science--Mathematics--Problems, exercises, etc.