Re: Q4 and Q5
Quote:
Originally Posted by geekoftheweek
I don't follow. In 2D, all four points must be coplanar so no line can shatter the points. In 3D the two x's and two o's can be separated along the third axis and this can easily be shattered by a plane. You need k > 4 as a breakpoint. Am I missing something? Perhaps I did not understand the OP's question.
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You are not missing anything. You have just articulated why a break point in 2D may not be a break point in 3D.
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