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A Problem in Projective Geometry

Published online by Cambridge University Press:  03 November 2016

J. F. Rigby
J. F. Rigby*
Affiliation:
University College, Cardiff
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Extract

In his article “A Problem in Projective Geometry” (Gazette, December 1960) T. G. Room says that he has not been able to find a projective geometric proof of his theorems. May I give the following proof?

Type
Research Article
Information
The Mathematical Gazette , Volume 45 , Issue 353 , October 1961 , pp. 190 - 192
Copyright
Copyright © Mathematical Association 1961

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References

* This is the author’s original phrase, but the most important requirement is that the two points of each pair shall be distinct. If two or more pairs coincide we simply obtain a special case of the theorem.