A Venn diagram begins with a box called our universal set, which is denoted by the symbol \(ε\) (epsilon). The universal set contains everything we are interested in at that particular time.

A Venn diagram shows the relationship between a group of different things. It allows us to sort data into two circles which overlap in the middle. Venn diagrams are great for helping us organise ...

It may look like a flower, but this is actually a new Venn diagram -- one that for the first time manages to represent 11 sets of data ...

Venn used the diagrams to prove a form of logical statement known as a categorical syllogism. This can be used to model reasoning. Here’s an example: “All computers need power.