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All or Exactly Two (Posted on 2011-03-27) Difficulty: 3 of 5
If a finite set of n>2 points in the plane are not all on one line, then prove that there exists a line through exactly two of the points.

See The Solution Submitted by Bractals    
Rating: 4.0000 (1 votes)

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  Subject Author Date
SolutionSimpler SolutionDan Rosen2011-03-29 06:22:40
Possible approachbroll2011-03-28 03:07:28
Another approachGamer2011-03-28 02:48:08
Some ThoughtsSome thoughtsJer2011-03-27 23:56:40
Some ThoughtsPlanely trueSteve Herman2011-03-27 21:38:30
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