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  1. 1 Didactics of Mathematics

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  1. 1 2013

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  1. 1 Janaszak T.

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A handful of theorems about point increase

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Janaszak T.
Didactics of Mathematics
|
2013
|
issue 10(14)
33-44
EN
In classic calculus increasing functions are considered. The idea of increasing is connected with an interval. In this article the idea of increasing function is connected with a point and some neighbourhood of the point. It is defined as an increasing point of the function. This is proved by the theorem: if each point of an interval is a point of increasing a function then the function is increasing at an interval.
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