### Some articles on *points, diagonal points, point*:

Projective Plane - Subplanes - Fano Subplanes

... If you consider a quadrangle (a set of 4

... If you consider a quadrangle (a set of 4

**points**no three collinear) in this plane, the**points**determine six of the lines of the plane ... The remaining three**points**(called the**diagonal points**of the quadrangle) are the**points**where the lines that do not intersect at a**point**of the quadrangle meet ... The seventh line consists of all the**diagonal points**(usually drawn as a circle or semicircle) ...Complete Quadrangle - Diagonals

... meet in pairs to form three additional

... meet in pairs to form three additional

**points**called the**diagonal points**of the quadrangle ... Similarly, among the six**points**of a complete quadrilateral there are three pairs of**points**that are not already connected by lines the line segments connecting ... Due to the discovery of the Fano plane, a finite geometry in which the**diagonal points**of a complete quadrangle are collinear, some authors have augmented the axioms of projective ...### Famous quotes containing the word points:

“Every man has to learn the *points* of the compass again as often as he awakes, whether from sleep or any abstraction.”

—Henry David Thoreau (1817–1862)

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