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Euclidean geometry is a mathematical system attributed to the Alexandrian Greek mathematician Euclid, which he described in his textbook on geometry: the Elements. Euclid's method consists in assuming a small set of intuitively appealing axioms, and deducing many other propositions (theorems) from these.

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Desargues ten point configuration $D_{10}$ in LaTeX

This example shows that $s\le 2$ and for this $s$, $c\le 3$. Note that we are lucky with the latter, because there is a configuration for which every combinatorially equivalent realization has at lea …
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