Definition:Duality (Geometry)/Plane Geometry
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Definition
In the context of plane geometry, the straight line and the point are dual elements:
- a straight line can be defined by two points
- a point can be defined by the intersection of two straight lines.
Also see
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): duality: 1.
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): duality: 1.