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Erdős problem 93

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If nn distinct points in R2\mathbb{R}^2 form a convex polygon then they determine at least ⌊n2⌋\lfloor \frac{n}{2}\rfloor distinct distances.

Erdős Problems records this as proved (Lean).

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  1. Sourceerdos-problems
  2. StatementRetained
  3. Formal1 retained
  4. Resolutionproved (Lean)
  5. WorkNone recorded
  6. DecisionNone here
  7. The questionNot reached
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Where the source files it110 share a topic
Geometry110Distances55Convex12
Erdős problem 94accepted
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