Flashcards
Maths ~ Sets
Flashcards do conjunto (13)
- 1SetsA set is a collection of well defined objects. The objects in the sets are called elements
- 2# ?#=cardinal number . Cardinal number is the umber of elements in a set !
- 3FactElements can not be repeated
- 4How are sets opened and closed ?Sets are opened with a curly bracket { and closed with a curly bracket }
- 5Null set ?Has no elements written like {}
- 6FactNull set and the set itself are always a subset
- 7Improper subsetIf one set has all the same elements of another
- 8Proper subsetIf one set is a subset of another set but does not have all the same elements as the set
- 9Union & intersectionUnion is what are in all the sets
Instersection is what is in both sets only - 10Venn diagrams ?Are used to represent sets
- 11Universal set?Is the rectangle that the sets are sometimes in ! This rectangle and the area of it Is known as the universal set
- 12ComplementEvery thing outside that set
- 13Elements ? Subset? Equal toE with a line is not an element E is an element of
C with a line is not a subset of C is a subset of = with a line is not equal to = is equal to
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- Maths ~ Sets FlashCards sobre Maths ~ Sets, criado por jennycazabon em 18-10-2013.
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- jennycazabon
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