Introduction to Set Theory: Sets: Definition:. A Set is any well defined collection of “objects.” Definition:. The elements of a set are the objects in a set. Notation. Usually we denote sets with upper-case letters, elements with lower-case letters. The following notation is used to show set membership means that x is a member of the set A means that x is not a member of the set A. x∈A x∉A. Ways of Describing Sets: List the elements A= {1,2,3,4,5,6} Give a verbal description “A is the set of all integers from 1 to 6, inclusive” Give a mathematical inclusion rule A= {Integers x / 1= 6 }
Posted on: Sat, 15 Jun 2013 17:54:43 +0000
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