Let be convex open sets such that for every . Show that .
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that is related with the Helly's theorem, I found it on the web, so forgot that question.
Originally Posted by Andres Perez that is related with the Helly's theorem, I found it on the web, so forgot that question. Why don't you share it with the rest of us. It might help someone else. -Dan
you can find a proof on Helly's theorem - Wikipedia, the free encyclopedia but it is a special case. i don't know if the statement i wrote is true. The question is open.
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