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skydog23’s notebooks | Observable
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What is dual euclidean space?
skydog23
Jul 16, 2022
Hyperbolic triangle group in 2D PGA
skydog23
Apr 27, 2021
3
Triangle centers
skydog23
Jul 20, 2020
2
2D EPGA: point in segment
Fork
skydog23
Apr 27, 2021
2
Orientation of a triangle in 2D EPGA
Fork
skydog23
Aug 20, 2020
1
Four-line and the harmonic fourth
skydog23
Aug 29, 2022
Untitled
Fork
skydog23
Apr 27, 2021
2
Four-point on a conic sectiom
skydog23
Apr 16, 2021
5
Perfect partnerships
skydog23
Aug 29, 2018
2
Projective generation of conics
skydog23
Aug 11, 2022
3
Polarity with respect to a conic
skydog23
Jan 24, 2019
4
Polarity with respect to a triangle
skydog23
Jul 17, 2020
5
