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16
Why can a Venn diagram for 4+ sets not be constructed using circles?
feb 9 '12 at 0:05
12
Reference about the Banach-Tarski paradox
aug 11 '11 at 3:28
6
An algorithm for making conditionally convergent series take arbitrary values?
sep 8 '11 at 15:31
6
Is $SO_2$ an amenable group?
aug 11 '11 at 22:04
5
Banach Tarski — any demonstration?
feb 17 at 3:27
5
4-Color Theorem on Surfaces
nov 18 '11 at 14:41
4
Banach-Tarski Paradox for the unit interval?
nov 26 '11 at 2:20
2
how to find this generating function
nov 21 '11 at 1:42
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