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Math Help - Give an example of a finite incidence geometry

  1. #1
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    Give an example of a finite incidence geometry

    Give an example of a finite incidence geometry with at most six points which does not satisfy Playfair's Postulate (that a line has exactly one parallel through each point not on that line).
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  2. #2
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    can anyone help? I will have the test tomorrow, and I want to get the maximum understanding of this stuff ... thank you.
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