# What is a Venn or Euler diagram?

Venn and Euler diagrams are graphical representations of all the possible relationships among sets of items. In these diagrams, sets are usually represented by intersecting circles or ellipses.Exam...
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## How to Draw a Venn Diagram?

A Venn Diagram is a diagram that helps you put different items/things into categories. Ever wondered how to draw one? Now you can.

http://www.wikihow.com/Draw-a-Venn-Diagram

## How to Make a Venn Diagram?

A simple 2-set Venn DiagramVenn Diagrams, though they may seem complicated, actually are pretty easy and useful once you understand them.

http://www.wikihow.com/Make-a-Venn-Diagram

## Who invented the Venn diagram?

According to the University of Victoria in Canada, in 1880, the Venn diagram was invented by John Venn when examples of his diagrams were published in the "Philosophical Magazine and Journal of Sci...
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## What is the origin of the Venn diagram?

John Venn, 1834-1923, introduced the Venn diagram in a paper published in 1880. Similar diagrams appeared earlier, but he was first to use them formally, according to The Electronic Journal of Comb...
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