Upside Down U In Math Venn Diagram

The following examples should help you understand the notation terminology and concepts relating venn diagrams and set notation.

Upside down u in math venn diagram. Venn diagrams can be used to express the logical in the mathematical sense relationships between various sets. A venn diagram is an illustration of the relationships between and among sets groups of objects that share something in common. The symbol is an upside down u like this. So there you go.

We haven t put the 6 yet. Don t confuse this symbol with the letter u this is a two circle venn diagram. The intersection of two sets has only the elements common to both sets. The special symbol for intersection is an upside down u like this.

This type of diagram is used in scientific and engineering presentations in theoretical mathematics in computer applications and in statistics. For k 12 kids teachers and parents. For aesthetic sake the demo automatically scales and centers the diagram to make the most efficient use of space. Scroll down the page for more examples and solutions on how to shade venn diagrams to represent the required regions.

We can show the universal set in a venn diagram by putting a box around the whole thing. The green circle is a and the blue circle is b. The intersection is represented by the upside down u symbol and is defined as the number of elements the are in each set. 2011 advanced math 1st hour sunday january 22 2012.

Math explained in easy language plus puzzles games quizzes worksheets and a forum. So let s put a 14. If an element is in just one set it is not part of the intersection. The following figures show how to shade regions of venn diagrams for two sets.

Feel free to click on the image to try this diagram as a template. The intersection of the soccer and tennis sets is just casey and drew only casey and drew are in both sets which can be written. So we haven t put a 14 yet. You can change the names of the sets a b or c by clicking on the letter above the slider.

The complete venn diagram represents the union of a and b or a b. Helllllo i hope everyone had a great weekend. Let s say that our universe contains the numbers 1 2 3 and 4 so u 1 2 3 4 let a be the set containing the numbers 1 and 2. We haven t put a 15 yet.

And we already have a 3 in our set. A upside down u b the intersection of a b which would be the number in the middle aub the union which is everything a line over a the compliment of a which is everything but a. A intersect b a union b a a intersect b a intersect b a union b a union b a union b a intersect b a intersect b a union b. And one way to visualize sets and visualize intersections and unions and more complicated things is using a venn.

Union of two sets venn diagram click on image to modify online.