The document discusses Venn diagrams, including:
1) A Venn diagram is a diagram used to represent sets and the relationships between them, with circles representing each set and the overlapping areas representing elements in common between sets.
2) Venn diagrams were introduced in 1880 by John Venn and are used in teaching set theory as well as in other subjects like probability, logic, linguistics, and computer science.
3) The document provides an example of how a Venn diagram could be used to compare characteristics of Republicans and Democrats or of Athens and Sparta.
4. Part of a Venn Diagram Intersection-what each circle have in common Neither A or B Neither A or B Neither A or B A B Neither A or B
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7. Can the Venn Diagram be used in other classes? As graphic organizers, they allow students to formulate their thoughts. With the two above, students might list the similarities between the republicans and democrats in C and the differences in A or B. History students might use Figure 1 to compare Athens and Sparta in ancient Greece . Or they might compare the North and South in the period leading to the American Civil War.
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