## Related pagesProjective closureAffine derivative |

- Each two distinct points are on a unique line.
- Given any point p and any line l not through p, there is exactly one line g through p disjoint from l.
- There are three distinct points not on a line.

All point rows and all parallel classes of an affine plane have the same cardinality n, called the order of . Moreover, if p is a point of , then .

Primary examples of affine planes are the affine planes over a vector space. More general affine planes are koordinatized over ternary fields.

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