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Topic: Venn diagram

	Venn Diagram Template
		Venn diagrams are illustrations used in the branch of mathematics known as set theory.
		This diagram was introduced by the British philosopher and mathematician John Venn (1834-1923) in 1881.
		Johnston diagrams, which are used to illustrate statements in propositional logic, such as "Neither A nor B is true", and are a visual way of illustrating truth tables.
	www.conceptdraw.com /en/products/cd5/ap_venn_diagram.php (306 words)

	Venn diagram - Wikipedia, the free encyclopedia
		Venn diagrams are illustrations used in the branch of mathematics known as set theory.
		Venn was keen to find symmetrical figures…elegant in themselves representing higher numbers of sets and he devised a four set diagram using ellipses.
		John Venn was a 19th-century British philosopher and mathematician who introduced the Venn diagram in 1881.
	en.wikipedia.org /wiki/Venn_diagram (923 words)

	Lewis Carroll's Logic Game
		In the mid-nineteenth century, John Venn (1834-1923), a Fellow of Cambridge University, devised a scheme for visualizing logical relationships.
		Venn was a cleric in the Anglican Church, an authority on what was then called "moral science," and the compiler of a massive index of all Cambridge alumni.
		Venn's innovation took immeasurably less brainpower than, for instance, Archimedes' determination of spherical surface from Chapter S. The latter required extraordinary insight; the former might just as well have been discovered by a child with a crayon.
	www.cut-the-knot.org /LewisCarroll/dunham.shtml (675 words)

	A Survey of Venn Diagrams: What is a Venn Diagram?
		Readers interested in the applications of Venn diagrams to logical arguments are referred to the excellent introductory article by Glassner [Gl], the book by Shin [Sh], and many standard logic textbooks.
		Diagrams exist for all larger values of n as well; there have been several general constructions published (see [Be], [RRS], [Mo], [AC], and [FGK], for a sampling in chronological order); we explain two of them below.
		Venn's construction, outlined in his original paper [Ve80], is best explained by considering the figure to the right.
	www.combinatorics.org /Surveys/ds5/VennWhatEJC.html (902 words)

	The Venn Diagram Page -- Symmetric Diagrams (Site not responding. Last check: 2007-10-21)
		Diagram #3.1 of Class 1 in the list of all Venn diagrams for n=3 is also a symmetric diagram, but it is not simple.
		One of Grünbaum's examples is a remarkable non-monotone symmetric Venn diagram.
		Think of the diagram as being projected stereographically onto a sphere with the axis running thru the point of symmetry, and then project the diagram back onto the plane from the antipodal point on the axis.
	www.cs.technion.ac.il /Labs/ssdl/research/venn_diagram (1676 words)

	Define Venn diagram - a definition from Whatis.com (Site not responding. Last check: 2007-10-21)
		A Venn diagram is an illustration of the relationships between and among sets, groups of objects that share something in common.
		The drawing is an example of a Venn diagram that shows the relationship among three overlapping sets X, Y, and Z. The intersection relation is defined as the equivalent of the logic AND.
		Venn diagrams are generally drawn within a large rectangle that denotes the universe, the set of all elements under consideration.
	searchsmb.techtarget.com /sDefinition/0,,sid44_gci333063,00.html (431 words)

	Venn Diagram Printouts - EnchantedLearning.com
		A Venn Diagram is a graphic organizer that is made up of two or three overlapping circles.
		In mathematics, Venn diagrams are used to visualize the relationship between two or three sets.
		The English mathematician John Venn invented the Venn diagram in 1880.
	www.enchantedlearning.com /graphicorganizers/venn (506 words)

	Logic - Venn diagrams
		This process of visualizing logical relationships was devised by John Venn (1834-1923).
		The most interesting features of Venn diagrams** are the areas or sections where the circles overlap one another -- implying that a sharing is occurring.
		Draw a Venn diagram to represent the situation described in the problem.
	regentsprep.org /Regents/math/venn/LVenn.htm (413 words)

	Graphic Organizers: Organizer Patterns: Venn Diagram
		Venn diagrams are favorites for comparing and contrasting story elements.
		Venn diagrams are an excellent resource to use during back-to-school month because they allow a variety of getting-to-know-you comparisons.
		Introduce your students to this diagram by making a life-size version in your classroom with hula-hoops or yarn.
	teacher.scholastic.com /lessonplans/graphicorg/venndiagram.htm (250 words)

	Venn Diagram (Site not responding. Last check: 2007-10-21)
		The Venn diagram is frequently used as a prewriting activity to enable students to organize thoughts or textual quotations prior to writing an assignment.
		If a Venn diagram reflects the current state of knowledge of someone about a specific topic, there is reasonable doubt to state that a Venn diagram by itself is neither right nor wrong.
		The individual nature of the Venn provides additional incentive to prepare the students when they know beforehand that a class assignment will be a Venn diagram.
	www.itrc.ucf.edu /forpd/strategies/stratVenn.html (915 words)

	Graphic Organizer: Venn Diagram \| Scholastic.com
		Venn diagrams are favorites for comparing and contrasting story elements.
		Venn diagrams are an excellent resource to use during back-to-school month because they allow a variety of getting-to-know-you comparisons.
		Introduce your students to this diagram by making a life-size version in your classroom with hula-hoops or yarn.
	content.scholastic.com /browse/article.jsp?id=2997 (478 words)

	ReadingQuest Strategies \| Venn Diagrams
		What MAY be new to students is your request of them that THEY complete the Venn diagram instead of merely copying what you put on the overhead or front board.
		[Remember: the value of the Venn is in the doing of it!] This means they need to first be able to identify significant characteristics of the topics or concepts (see some of the other stratregies, such as selective underlining/highlighting, or consider the usefulness of Post It notes for text reading selections).
		As students begin producing their own Venn diagrams, DO NOT fall into the trap of thinking there is a right Venn and a wrong one.
	curry.edschool.virginia.edu /go/readquest/strat/venn.html (488 words)

	Venn - Wikipedia, the free encyclopedia
		John Venn (1834–1923), a British logician and the inventor of Venn diagrams
		John Venn (1586–1650), was Vice-Chancellor of Oxford University
		This is a disambiguation page: a list of articles associated with the same title.
	en.wikipedia.org /wiki/Venn (93 words)

	Functioning Form - User Experience Comes in Threes (Site not responding. Last check: 2007-10-21)
		Jeffrey Veen recently joked that “every consultant needs a Venn diagram.” Turns out he was only half-kidding.
		The two or more overlapping circles that make up a Venn diagram are often used in mathematics to show relationships between sets.
		In the context of User Experience, however, Venn diagrams are frequently used to “quickly convey a message or vision, as a visual reminder to support change/focus, and to easily identify the cause or source of something.” Let's start off with Veen's Venn:
	www.lukew.com /ff/entry.asp?124 (861 words)

	Instructional Strategies
		The Venn Diagram is one of the most basic graphic organizers currently used by teachers.
		Using the Venn Diagram form, students are able to compare and contrast characteristics of two concepts, ideas, or words.
		Hint: Venn Diagrams can be used to compare more than two items by adding additional circles.
	its.guilford.k12.nc.us /act/strategies/venn.htm (201 words)

	Venn diagram (Site not responding. Last check: 2007-10-21)
		Regions are shaded to show combinations of properties (or sets) of interest, or elements are placed in regions corresponding to their properties (or membership).
		John Venn first published these diagrams in 1880, although similar diagrams were used much earlier by Leibniz and Euler (Opera Omnia), a century earlier.
		Formal definition and methods to draw diagrams for N variables.
	www.nist.gov /dads/HTML/venndiagram.html (187 words)

	ElJC Venn Diagram Survey (Site not responding. Last check: 2007-10-21)
		The purpose of these pages is to collect together various facts and figures about Venn diagrams, particularly as they relate to combinatorial properties of the diagrams.
		The 7-fold rosette at the top of the page is a Venn diagram for n = 7, called "Victoria." Find out more about it by going to the page on symmetric Venn diagrams.
		All the Venn diagram figures to be found on the following pages, unless otherwise noted, are © Frank Ruskey.
	www.cs.uvic.ca /~ruskey/public_html/venn/VennEJC.html (207 words)

	The Great British Venn Diagram @ Things Of Interest
		So I guess a lot of people are in some doubt as to what the difference is between England, Great Britain, the British Isles and the United Kingdom.
		Here I present a handy-dandy Venn diagram to explain this.
		Lastly, to be pedantic, this is actually an Euler diagram, not a Venn diagram.
	qntm.org /uk (360 words)

	Venn Diagram Worksheet (Site not responding. Last check: 2007-10-21)
		Venn Diagrams are great to compare and contrast.
		Students place what is "different" in the outside circles, and what is the "same" in the overlapping area.
		Venn Diagrams are great for comparing and contrasting different stories.
	www.cleveland.k12.oh.us /allianceplus/rallau01/vennwksht.html (47 words)

	Venn Diagram Self-Test with active javascripted images
		On a separate piece of paper, re-create the blank Venn diagram shown in the problem.
		Then shade in the parts of this diagram which correspond to the named set.
		Finally, check your answer by moving your mouse pointer over the blank Venn diagram: the answer will appear.
	math.uww.edu /faculty/mcfarlat/143venn.htm (151 words)

	Venn Diagram
		Venn Diagrams can be made more complex by drawing three
		The number of circles drawn will depend on the number of subjects or ideas to be contrasted.
		Venn Diagrams can be used to compare and contrast almost anything, eg to examine or analyse events, religions, politics, characters, environments and stories.
	www.cap.nsw.edu.au /QI/TOOLS/stuv/venndiagram.htm (81 words)

	Venn Diagram
		Let me know if anyone has suggestions for things they'd like to have diagrammed.
		Jason was inspired to create his own venn diagram.
		Comment and let me know if you have any ideas for things I should include in future diagrams or entries that you agree or disagree with in the diagrams that I'm posting.
	vdiagram.blogspot.com (739 words)

	Venn Diagram Basic
		Suggestions: Venn diagrams are useful when comparing two things and for use with younger children.
		A better tool to use is the Double Cell Diagram.
		See also Venn Diagram Expanded for comparing three items.
	www.graphic.org /venbas.html (154 words)

	Antarctica: Chart Organizers [English Online]
		A T-Chart is used to identify 2 viewpoints.
		A Venn Diagram is used to compare and contrast 2 viewpoints - eg.
		A Web Diagram is used to mind map issues.
	english.unitecnology.ac.nz /resources/units/antarctica/charts.html (85 words)

	abcteach Printable Worksheet: Plants Venn Diagram (Site not responding. Last check: 2007-10-21)
		The Venn diagram below is comparing flowering and non-flowering plants.
		Put characteristics and names of flowering plants and non-flowering plants in their labeled sections.
		In the center put characteristics that they have in common.
	www.abcteach.com /Plants/venn.htm (34 words)

	Venn Diagrams (Site not responding. Last check: 2007-10-21)
		The standard way to draw these diagrams for 1, 2 and 3 sets is illustrated here.
		Observe that the Venn diagram with n sets partitions the universe into
		Here is a picture of the 4 set Venn diagram.
	www.math.csusb.edu /notes/sets/node5.html (65 words)

	ReadWriteThink: Student Materials: Venn Diagram, 2 Circles
		Students may generate clear, well-formatted Venn Diagrams by naming their project and labeling Circle 1 and Circle 2, then generating concepts that can be placed on the diagram by clicking and dragging them with the mouse.
		Students create Venn diagrams to categorize the types of nonfiction and compare their characteristics.
		Using a hypothetical situation, students generate arguments from opposing points of view, discover areas of commonality through the use of Venn diagrams, and construct logical, audience-specific arguments in order to persuade their opponents.
	www.readwritethink.org /student_mat/student_material.asp?id=6 (3101 words)

	The Standards Site: Venn diagram
		The screen shows a non-intersecting Venn diagram labelled 'triangles' and 'other shapes', and ten 2D shapes, five of them triangles.
		The object is to place each shape in the correct section of the Venn diagram.
		[103Kb] This file is a self-extracting version of the help page for Windows based computers which shows how to use the Venn diagram program.
	www.standards.dfes.gov.uk /primary/publications/mathematics/12884 (167 words)

	Venn Diagram Worksheet Maker
		Home > Teacher Tools > Graphic Organizer Makers > Venn Diagram Worksheet Maker
		Venn diagrams are a powerful way to graphically organize information.
		Once you have completed the forms above, click the "CREAT- VENN DIAGRAM WORKSHEET" button below to create your Venn Diagram.
	www.teach-nology.com /web_tools/graphic_org/venn_diagrams (104 words)

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