Functions and Analysis


Proof that a Derivative is a Fraction, and the Chain Rule is the Product of Such Fractions

Authors: Carl Wigert, Quincy-Howard Xavier

In this paper, we define very small numbers and very very small numbers and use them to construct derivatives as ratios of real numbers. We then use that result to rigorously prove that the chain rule treats derivatives as fractions being multiplied.

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[v1] 2017-12-16 01:01:52

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