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2. Named set theory - Wikipedia

   en.wikipedia.org/wiki/Named_set_theory

   Functions are set-theoretical name sets as special cases of binary relations. A fuzzy set is a named set (U, m, [0,1]) where U is a set, [0,1] is a unit interval and m is a membership function. A graph G is a named set (V, E, V) where V is the set of vertices (nodes) of G and E is the set of edges of G.

3. Mathematical Olympiads for Elementary and Middle Schools

   en.wikipedia.org/wiki/Mathematical_Olympiads_for...

   There are two divisions, Elementary and Middle School. Elementary level problems are for grades 4-6 and Middle School level problems are for grades 7-8, though 4-6 graders may participate in Middle School problems. Hundreds of thousands of students participate annually in MOEMS events. MOEMS plans soon to develop an online teacher training program.

4. List of primary education systems by country - Wikipedia

   en.wikipedia.org/wiki/List_of_primary_education...

   However most private schools (which usually call the elementary level as "grade school"), especially exclusive schools and those accredited to have a high degree of autonomy from the Department of Education usually extend their programmes to 7th grade and can also include levels such as nursery, kindergarten or preparatory (prep) as entry ...

5. List of set identities and relations - Wikipedia

   en.wikipedia.org/wiki/List_of_set_identities_and...

   To investigate the left distributivity of set subtraction over unions or intersections, consider how the sets involved in (both of) De Morgan's laws are all related: () = = () always holds (the equalities on the left and right are De Morgan's laws) but equality is not guaranteed in general (that is, the containment might be strict).

6. Class (set theory) - Wikipedia

   en.wikipedia.org/wiki/Class_(set_theory)

   Within set theory, many collections of sets turn out to be proper classes. Examples include the class of all sets (the universal class), the class of all ordinal numbers, and the class of all cardinal numbers. One way to prove that a class is proper is to place it in bijection with the class of all ordinal numbers.

7. Growing number of U.S. adults lack literacy skills, survey shows

   www.aol.com/news/growing-number-u-adults-lack...

   The share of adults with literacy skills at the lowest measured levels increased, according to the National Center for Education Statistics’ Survey of Adult Skills.

8. Set (mathematics) - Wikipedia

   en.wikipedia.org/wiki/Set_(mathematics)

   A set of polygons in an Euler diagram This set equals the one depicted above since both have the very same elements.. In mathematics, a set is a collection of different [1] things; [2] [3] [4] these things are called elements or members of the set and are typically mathematical objects of any kind: numbers, symbols, points in space, lines, other geometrical shapes, variables, or even other ...

9. Shop the coziest gift ideas for all your favorite homebodies ...

   www.aol.com/lifestyle/shop-the-coziest-gift...

   Find the best gift ideas for cold winter nights. From Cozy slippers to comfy chairs, there's something for everyone.