# Category:Definitions/Half-Planes

This category contains definitions related to Half-Planes.
Related results can be found in Category:Half-Planes.

Let $\PP$ denote the plane.

Let $\LL$ denote an infinite straight line in $\PP$.

Then each of the areas of $\PP$ on either side of $\LL$ is a half-plane.

## Pages in category "Definitions/Half-Planes"

The following 32 pages are in this category, out of 32 total.