Pascal's theorem: Difference between revisions

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Proofs: fixed proof using isogonal conjugates
m add link for Pascal theorem on a sphere
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* [https://archive.is/20121129152851/http://www.math.uregina.ca/~fisher/Norma/paper.html The Complete Pascal Figure Graphically Presented] by J. Chris Fisher and Norma Fuller (University of Regina)
* [http://www.mathematik.tu-darmstadt.de/~ehartmann/circlegeom.pdf ''Planar Circle Geometries, an Introduction to Moebius-, Laguerre- and Minkowski Planes''] (PDF; 891 kB), Uni Darmstadt, S. 29-35.
* [http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.665.5892&rep=rep1&type=pdf How to Project Spherical Conics into the Plane] by Yoichi Maeda (Tokai University)
{{Blaise Pascal}}