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.

A Venn diagram shows the relationship between different sets or categories of data. For example, the following list of numbers can be sorted depending on whether the numbers are even or not, and ...

Multiples, factors, powers and roots - OCR Using Venn diagrams. ... The numbers 6 and 18 are multiples of 3 that are also even numbers, so they are placed in the overlap of the two circles.