Category:Venn diagrams

Venn diagram
	diagram that shows all possible logical relations between a collection of sets
	Wikipedia
Subclass of	Euler diagram
Named after	John Venn;
Depicts	boolean algebra;
Different from	Euler diagram; Karnaugh map;
Authority control
	GND ID: 4835896-4
	Reasonator; Scholia; Statistics;

The article Venn diagrams on Wikipedia projects:

(en) Venn diagram

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Venn diagrams are illustrations that show all kind of the possible mathematical or logical relationships between sets (groups of things).

The tool perfect Venn diagram generator at Wikimedia Toolforge can be used to generate Venn diagrams with two circles which are to-scale (the size of the circles, their intersection, and the area outside the circles is proportional to the size of the groups represented).