April 2023 marks the 100th anniversary of the death of mathematician and philosopher John Venn. You may well be familiar with Venn diagrams – the ubiquitous pictures of typically two or three ...

It's possible a Venn diagram can have three (or more) sets depicted within them. A set of pupils were asked which sports they played in school, from a list of Football, Hockey, Netball and None ...

April 2023 marks the 100th anniversary of the death of mathematician and philosopher John Venn. You may well be familiar with Venn diagrams – the ubiquitous pictures of typically two or three ...