Editing Category:Venn diagrams
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**If Venn diagrams are mentioned, even though it is an Euler diagram, not a Venn diagram, then they will still be included here. | **If Venn diagrams are mentioned, even though it is an Euler diagram, not a Venn diagram, then they will still be included here. | ||
*[[Randall]] seems to have made mistakes, or maybe done this on purpose as indicated with the comic [[2721: Euler Diagrams]]. | *[[Randall]] seems to have made mistakes, or maybe done this on purpose as indicated with the comic [[2721: Euler Diagrams]]. | ||
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**A Venn diagram shows all possible combinations of two or more sets, including those with no elements, and therefore all of the circles must intersect. | **A Venn diagram shows all possible combinations of two or more sets, including those with no elements, and therefore all of the circles must intersect. | ||
| − | **An Euler diagram | + | **An Euler diagram only depicts the non-empty combinations, and therefore does not have this constraint. |
| − | ***All Venn diagrams are also Euler diagrams, but not the other way around! | + | ***All Venn diagrams are also Euler diagrams, but not the other way around! |
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*In a Venn diagram every possible intersection must be shown. | *In a Venn diagram every possible intersection must be shown. | ||
**In general for an n component Venn diagram there are 2<sup>n</sup> hypothetically possible zones, corresponding to some combination of inclusion or exclusion in each of the component sets. | **In general for an n component Venn diagram there are 2<sup>n</sup> hypothetically possible zones, corresponding to some combination of inclusion or exclusion in each of the component sets. | ||
**A Venn diagram with 2 circles, see [[668: Pandora]], has 2<sup>2</sup> = 4 zones; one overlap zone, two zones without overlap and one outside zone. | **A Venn diagram with 2 circles, see [[668: Pandora]], has 2<sup>2</sup> = 4 zones; one overlap zone, two zones without overlap and one outside zone. | ||
| − | **[[2122: Size Venn Diagram]] is the first comic to include five components, previously only Venn diagrams with two or three circles have been used in xkcd | + | **[[2122: Size Venn Diagram]] is the first comic to include five components, previously only Venn diagrams with two or three circles have been used in xkcd. |
[[Category:Charts]] | [[Category:Charts]] | ||
[[Category:Euler diagrams]] | [[Category:Euler diagrams]] | ||
