While Venn diagrams may not have solved any long-standing ... When we add a second set of elements (a new circle), we double the possibilities, so we need to double the number of regions (first ...

I know I’m a total nerd for doing this, but I often apply this theory to my personal life and to the world around me. A Venn diagram is not just a teaching tool; it has amazing real life ...

You may well be familiar with Venn diagrams – the ubiquitous pictures of typically two or three intersecting circles, illustrating the relationships between two or three collections of things.