Pascal's theorem: Difference between revisions

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Mv mention of Pappus to intro, as it is important for seeing the place of this theorem in geometry.
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The theorem is also valid in the [[Euclidean plane]], but the statement needs to be adjusted to deal with the special cases when opposite sides are parallel.
 
This theorem is a generalization of [[Pappus's hexagon theorem|Pappus's (hexagon) theorem]] – Pappus's theorem is the special case of a [[degenerate conic]] of two lines.
 
== Euclidean variants ==