A graphic technique for visualizing set theory concepts using overlapping circles ... It was introduced in the late 1800s by English logician, John Venn, although it is believed that the method ...

A Venn diagram is a way of grouping different items. These groups are known as sets. We have a set of golf clubs or a set of dishes – these are just groups of those items. We write a set using a ...

Save guides, add subjects and pick up where you left off with your BBC account. Venn diagrams are used to sort sets of data. The probability of an event not happening uses the complement of the ...