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The universal set is represented by a rectangle.

Subsets of this set are represented by closed curves (often circles). A ⊂ €

Further subsets are represented by a closed curve within a larger closed curve. Q ⊂ P ⊂ €

The intersection of two sets (A & B) is the set of elements that are members of both A & B and is usually shown as a shaded region. A ∩ B

The union of two sets (A & B) is the set of all elements contained in A & B. A ∪ B.

Q: What are regions in venn diagrams?

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John Venn, a British logician. And, consequently, it is the Venn diagram, not the venn diagram.

Venn diagrams are used to visually represent sets, subsets and which sets or subsets form unions and intersections. For example if there are N employees in a department comprising men, women, smokers, non-smokers, vegetarians, non-vegetarians, then N is the total set and within that there are subsets for example 1) Men who smoke and are vegetarins 2) Women who don't smoke and are non-vegetarians 3) ..... 4) so on Venn diagrams (usually using circles) can depict pictorially how these subsets relate to the main set and other subsets. Once this picture is clealy drawn and understood further mathematical analysis becomes easy.

hE invEnTed THe vEnn DiaGrAm ,,

They are the universal set: every number that doesn't fit in the circles in the venn diagram.

I can't draw a Venn diagram here. The common factors are 1, 2 and 4.

Related questions

Yes.

John Venn

most Venn diagrams are used in survey taking

july1880

yes he did

Venn diagrams are named after their inventor, John Venn.

Venn diagrams were conceived around 1880 by John Venn.

John Venn published a work in 1880 with his venn diagrams.

Venn diagrams are used for comparing more that two items in a chart. A Venn diagram compares like possibilities of a group of related objects or things. A family tree is a type of Venn diagram.

Venn diagrams helps us arrange numbers in odrder

Venn diagrams were conceived around 1880 by John Venn, a British logician and philosopher.

To add a Venn diagrams to your Word document, go toInsert (tab) > Smart Art (in the illustrations block)and select the Venn diagram of your choice from the list that appears. Venn diagrams are classified under Relationship diagrams. Finish off by clicking OK.This inserts a Venn diagram that you can then edit within your Word document.