Euler diagram: Overview
An Euler diagram is similar to a Venn diagram. While both use circles to create diagrams, there’s a major difference: Venn diagrams represent an entire set, while Euler diagrams can represent a part of a set. A Venn diagram can also have a shaded area to show an empty set. That area in an Euler diagram could simply be missing from the diagram altogether.
Euler diagram: Steps
Sample question: Draw an Euler diagram to represent the following statements:
- All wizards can do magic.
- No lizards can do magic.
- No wizard is a lizard.
Step 3: Read the third statement and move the corresponding circle . “No wizards are lizards” must mean that the entire lizard circle has to be outside the wizard circle. In this case, the graph already has the lizard circle outside the wizard circle, so we’re done!
University of Kent: Euler diagrams. Retrieved October 19th, 2015 from: http://www.cs.kent.ac.uk/events/conf/2004/euler/eulerdiagrams.html.
Stephanie Glen. "Euler Diagram: How to Draw one in Easy Steps" From StatisticsHowTo.com: Elementary Statistics for the rest of us! https://www.statisticshowto.com/euler-diagram/
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