In his book The Mathematical Universe, mathematician William Dunham wrote of John Venn’s namesake legacy, the Venn diagram ... two regions—interior and exterior. When we add a second set ...

It may look like a flower, but this is actually a new Venn diagram-- one that ... it so that no more than two curves cross each other at any single point. The problem is, it's impossible to ...

We can express such problems with sets ... Luckily we can visualise that with a Venn diagram with two circles, where one circle is the set of entries that don’t include themselves, A, and ...

Most of us know Venn diagrams as ... and teach basic set theory. Instead of having to crunch the numbers, the layout was right there, right in front of you. The problem is, however, it’s a ...