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LAP 2 (Cpt 2)

set a collection of items that is well-defined
element a member of a set
roster a set identified by listing all the elements
set builder a set identified using the symbols {x|x...}
empty set a set without elements; the null set
cardinal number the number of elements in a set
finite set a set for which the cardinal number is a natural number
infinite set a set for which there is no cardinal number
equal sets occurs when 2 sets contain exactly the same elements
equivalent sets occurs when there are two sets A and B for which n(A)=n(B)
Venn diagram diagram that shows visual relationships among sets
universal set the set that contains all elements under discussion
subset a set of all whose elements are contained in another set
complement of a set the elements in the universal set hat are not in the specified set; A'
disjoint sets two or more sets that have no elements in common
intersection of sets the set of elements in both specified sets
union of sets set of element in either of the specified sets
Created by: mcchesney