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 ...

To identify all the moving parts in this complex (yet seemingly simple) problem, the team turned to the fishbone diagram as a useful tool to investigate ... and help everyone remember the difference ...