When you've done that, consider the new monograph
from Anthony Edwards just out from Johns Hopkins UP.
http://www.press.jhu.edu/books/title_pages/3270.html
Marcello Pagano
> For those listers interested in seeing some beautiful Venn
> diagrams and
> interested in some of their properties, let me recommend a visit to,
> when you have a few minutes to spare:
>
> http://www.combinatorics.org/Surveys/ds5/VennEJC.html
>
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