Erdős problem 353
Let be a measurable set with infinite measure. Must contain the vertices of an isosceles trapezoid of area ? What about an isosceles triangle, or a right-angled triangle, or a cyclic quadrilateral, or a convex polygon with congruent sides?
Erdős Problems records this as proved (Lean).
No Repository has ruled on it here.
How far the record reaches4 of 6 stages
- Sourceerdos-problems
- StatementRetained
- Formal5 retained
- Resolutionproved (Lean)
- WorkNone recorded
- DecisionNone here
- The questionNot reached
What this record is missingWork
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Where the source files it109 share a topic
Erdős problem 94acceptedCarrying a Standing. Browse the topic.