Venn diagram appreciation post (2,3,4,5,6,7,8,11,13 groups)

    by Galliro

    22 Comments

    1. everlasting1der on

      I wonder if there’s a nonconstructive proof of whether you can do this for an arbitrary number of sets (and whether it can always be rotationally symmetrical!) or if there’s a limit and/or excluded values.

    2. Pretend-Bend-7975 on

      My favourites are the 6 and 7 ones. Simple enough to understand visually and complex enough to be mesmerizing.

    3. Several of the images are missing numbers in areas.

      6 group is missing light green near A.
      7 group is missing fuschia bottom left. Small area.

    4. I think anything above 3 exists more as a proof of concept than anything with practical application.

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