Verifying Plane Axiom 3

Author:Erik Tou

Given two points A and B, with ideal points P and Q, the distance between A and B is defined as ln((AP*BQ)/(AQ*BP)), where the lengths inside the logarithm are Euclidean lengths.

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The black friday GeoGebra :)
Science Park 1
Exploding cube
רישום חופשי
Positive and Negative Space

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Transformation Reflectionbrown
Congruent transformation 1
Regular n-sided polygon
Paris-Metrik
Kopi af Soccer Field

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Sequences and Series
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Root
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Equations