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The classic two-set Venn diagram consists of two circles, but you can compare more than two things with a Venn diagram: a three-set Venn diagram has three overlapping circles, a four-set has four ...
Typical two- and three-circle Venn diagrams share this property. Rotate a two-circle Venn diagram by 180 degrees (or a three-circle one by 120 degrees), and it looks the same.
A Venn diagram is an illustration that uses overlapping circles to show commonalities and differences between things or groups of things.
You can draw this shape yourself using a sort of three-way Venn diagram. First, draw an equilateral triangle, then add three circles of equal radius around each corner.
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 ...