Origin of Venn diagram

after John*Venn*(1834-1923), Eng logician

a diagram using overlapping circles, often shaded or crosshatched, to show relationships between sets or propositions

Origin of Venn diagram

after JohnWebster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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"Venn diagram." YourDictionary, n.d. Web. 15 January 2019. <https://www.yourdictionary.com/venn-diagram>.

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Venn diagram. (n.d.). Retrieved January 15th, 2019, from https://www.yourdictionary.com/venn-diagram

noun

A diagram using circles to represent sets, with the position and overlap of the circles indicating the relationships between the sets.

Origin of Venn diagram

**Venn diagram**

top: Sets A and B intersect to form set C.

bottom: Set B is a subset of set A. All members of B are also members of A.

THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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"Venn diagram." YourDictionary, n.d. Web. 15 January 2019. <https://www.yourdictionary.com/venn-diagram>.

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Venn diagram. (n.d.). Retrieved January 15th, 2019, from https://www.yourdictionary.com/venn-diagram

A diagram that uses circles to represent sets, in which the relations between the sets are indicated by the arrangement of the circles. For example, drawing one circle within another indicates that the set represented by the first circle is a subset of the second set. The Venn diagram is named after its inventor, British mathematician John Venn (1834–1923).

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**MLA Style**

"Venn diagram." YourDictionary, n.d. Web. 15 January 2019. <https://www.yourdictionary.com/venn-diagram>.

**APA Style**

Venn diagram. (n.d.). Retrieved January 15th, 2019, from https://www.yourdictionary.com/venn-diagram

Noun

(*plural* Venn diagrams)

- (set theory) A diagram representing some sets by contours of closed shapes, such as circles or ellipses (sometimes also the universal set as a rectangle enclosing all of these shapes), and indicating the relationships between the sets: by overlapping the shapes to show that the corresponding sets have a non-empty intersection, and by possibly (but not necessarily) enclosing all of the sets (which are proper subsets of the universal set) within a universal set (represented typically by a rectangle); such that the total number of simply connected regions is , where
*n*is the number of depicted sets which are proper subsets of the universal set.

Origin

Named after John Venn (1834-1923), British mathematician and philosopher.

English Wiktionary. Available under CC-BY-SA license.

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Venn diagram. (n.d.). Retrieved January 15th, 2019, from https://www.yourdictionary.com/venn-diagram

A graphic technique for visualizing set theory concepts using overlapping circles and shading to indicate intersection, union and complement. It was introduced in the late 1800s by English logician, John Venn, although it is believed that the method originated earlier.

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Venn diagram. (n.d.). Retrieved January 15th, 2019, from https://www.yourdictionary.com/venn-diagram