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Erdős problem 97

Does every convex polygon have a vertex with no other 4 vertices equidistant from it?

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5 retained statements36c6d0fef71a

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FormalConjectures/ErdosProblems/

97.lean

Retained formal statement1 of 5

Does every convex polygon have a vertex with no other 4 vertices equidistant from it?

FormalConjectures/ErdosProblems/97.leanErdos97.erdos_973 linesExact file
True ↔  ∀ (A : Finset (EuclideanSpace ℝ (Fin 2))),    A.Nonempty → EuclideanGeometry.ConvexIndep ↑A → ¬Erdos97.HasNEquidistantProperty 4 A
OpenStatement only, no proof