What is a Venn Diagram

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What is a Venn Diagram

• By R. Prevost

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Contents

• Who is credited with discovering Venn Diagrams
• What does a Venn Diagram look like
• How to use a Venn Diagram

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Who created Venn Diagrams

• Venn Diagrams are named after John Venn
• He was an Englishman who invented the diagram
• John Venn used the diagrams to illustrate ideas
  used in logic

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What does a Venn Diagram look like?

• The simplest and most common Venn Diagram is made
  of two circles that have an overlapping region.
• See picture below

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How to Use a Venn Diagram

• Venn Diagrams can be used to show relationships
  between sets of information
• Each circle represents a set of information
• Example one set could be even numbers to 30 and
  a second set would be numbers divisible by 3 to
  the number 30

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Using a Venn Diagram continued

• The intersecting part of the circles contains
  numbers that can be found in both sets