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help with abstract math

Produced by Charles Wells     Revised 2017-03-04
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The concept of function in mathe­matics is as important as any mathe­matical idea. The mathe­matician's concept of function includes the kinds of functions you studied in calculus but is much more abstract and general.

Like every part of abstract­math, the chapter on functions is designed to get you started thinking about functions. It is no way complete. Wikipedia has much more complete coverage of mathe­matical functions, scattered over many articles.


This chapter has seven sections:

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