Thread: Q4 and Q5
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Old 01-24-2013, 12:13 PM
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yaser yaser is offline
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Default Re: Q4 and Q5

Originally Posted by geekoftheweek View Post
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.
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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