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Set Theory
Set theory
9
Mathematics
8th Grade
09/08/2010

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Term
SET
Definition

Collection of items 

ex. A={1, 2, 3, 4}

Term
ELEMENT
Definition
item in a set
Term
UNION
Definition
a set of all the elements of the original sets
Term
INTERSECTION
Definition
set containing the elements the original sets have in common 
Term
EMPTY SET
Definition
contains no elements
Term
UNIVERSE (OR UNIVERSAL SET)
Definition
contains all elements relating to situation
Term
COMPLIMENT
Definition
set of all elements that weren't in the original set
Term
SUBSET
Definition
a set contained within another set
Term
CROSS PRODUCT (CARTESIAN PRODUCT)
Definition
a set  where elements are ordered pairs
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