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Mathematics-Online course: Preparatory Course Mathematics - Basics - Sets

Sets of Numbers


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The following sets are standardly denoted by the respective symbols:

The following notations are also commonly used: $ \mathbb{N}_0=\mathbb{N}\cup\{0\}$ and $ \mathbb{R}^+ =
\{x\in\mathbb{R}:\ x > 0\}$ as well as $ \mathbb{Z}^-$, $ \mathbb{Z}^-_0$, $ \mathbb{Q}^+$, $ \mathbb{Q}^+_0$, $ \mathbb{Q}^-$, $ \mathbb{Q}^-_0$ $ \mathbb{R}^+_0$, $ \mathbb{R}^-$, $ \mathbb{R}^-_0$, respectively.

(Authors: Höllig/Abele)

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  automatically generated 1/9/2017