This work has been released into the public domain by its author, Fritz Obermeyer. This applies worldwide. In some countries this may not be legally possible; if so: Fritz Obermeyer grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
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{{Information |Description=Projection stéréographique d'un 8-cellules, un polytope 4-dimensionnel. Les sommets et les arêtes sont montrées, les faces ne le sont pas. |Source=http://www.math.cmu.edu/~fho/jenn/polytopes/8-cell.png http://en.wikipedia.or
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