Velleman, Daniel J., <br/><br/>
How to prove it: a structured approach   
by Daniel J. Velleman 
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 - Cambridge  Cambridge University Press  2006 
 - xiii, 384p.:  ill;  24 cm. 
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<br/><br/><label>ISBN: </label>9780521861243 
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<br/><br/><label>Subjects--Index Terms: </label>General principles of mathematics Mathematics Logic, symbolic and mathematical 
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<br/><br/><label>Dewey Class. No.: </label>511.3 VEL