Linked from

The 17 pages that link to Collinearity, each with the reason it gives.

• Plane (geometry)Related: Three noncollinear points determine a unique plane in three-dimensional space.

• Affine geometryRelated: Affine transformations preserve whether points lie on the same line.

• Line segmentRelated: Every point on a line segment is collinear with its endpoints.

• Pascal's theoremRelated: The theorem's conclusion is precisely the collinearity of three side intersections.

• Ray (geometry)Related: The endpoint and every other point on a ray are collinear.

• BetweennessRelated: Betweenness applies only to points on the same line.

• Pappus's hexagon theoremRelated: Collinearity is the precise conclusion asserted for the three side-intersection points.

• Sylvester–Gallai theoremRelated: The theorem assumes the whole point set is not collinear.

• Desargues's theoremRelated: The conclusion says the three intersections of corresponding sides are collinear.

• Monge's theoremRelated: It is the geometric conclusion asserted for the three pairwise centers.

• Segment Addition PostulateRelated: A, B, and C must lie on one line for the stated relation to apply.

• Seven circles theoremRelated: Collinearity is the theorem’s stated conclusion.

• Thomsen's theoremRelated: The points transported through the construction lie on specified lines.