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Real projective line

Index Mathematics Fields of mathematics Geometry Projective geometry
 1 By others on same topic  0 Discussions  1970-01-01  See my version

 Ancestors (5)

  1. Projective geometry
  2. Geometry
  3. Fields of mathematics
  4. Mathematics
  5. Index

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 Articles by others on the same topic (1)

Real projective line by Ciro Santilli 37  Updated 2025-05-29  +Created 1970-01-01
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Just a circle.
Take R2 with a line at x=0. Identify all the points that an observer
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