Morash, Ronald P. <br/><br/>
Bridge to abstract mathematics :  mathematical proof and structure s / 
Ronald P. Morash. 
 - New York :  McGraw-Hill,   c1987. 
 - xviii, 389 p. :  ill. ;   24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>039435429X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic, Symbolic and mathematical.<br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>511.3