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Nil quadrangle diagonals theorem
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Classroom Contents
Apollonius and Polarity Revisited - Universal Hyperbolic Geometry
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- 1 Introduction null points, null lines
- 2 drawing an interior line and exterior point
- 3 Quadrangle, quadrilateral
- 4 a quadrangle of 4 null points; g function for joins and a meet
- 5 quadrangle computation example
- 6 Nil quadrangle diagonals theorem
- 7 Calculation showing 3 diagonal points are mutually perpendicular
- 8 Pole / polar corollary
