Editing Category:Euler diagrams
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***All three are now included in both categories, as Venn diagrams are mentioned even though they are not drawn! | ***All three are now included in both categories, as Venn diagrams are mentioned even though they are not drawn! | ||
**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. | ||
| β | **An Euler diagram only | + | **An Euler diagram only depicts the non-empty combinations, and therefore does not have this constraint. |
***Since all Venn diagrams are also Euler diagrams the Venn diagram category is a sub category of Euler diagrams. | ***Since all Venn diagrams are also Euler diagrams the Venn diagram category is a sub category of Euler diagrams. | ||
***But only those where the diagrams is not a Venn diagram or if Euler diagrams are also mentioned along with Venn diagrams, should the comics be included in both categories. (Like the three "mistakes" from above.) | ***But only those where the diagrams is not a Venn diagram or if Euler diagrams are also mentioned along with Venn diagrams, should the comics be included in both categories. (Like the three "mistakes" from above.) | ||
[[Category:Charts]] | [[Category:Charts]] | ||
