Bittinger, Marvin L. <br/><br/>
Logic and proof 
Marvin L. Bittinger. 
 - Reading, Mass.  Addison-Wesley  1972, c1970. 
 - 129 p.  ill.  24 cm. 
<br/><br/>Bibliography: p. 125. 
<br/><br/><label>ISBN: </label>0201005972 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic, Symbolic and mathematical--Programmed instruction.
<br/><br/><label>Dewey Class. No.: </label>511.3