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Creado por jennycazabon
hace casi 11 años
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Pregunta | Respuesta |
Sets | A set is a collection of well defined objects. The objects in the sets are called elements |
# ? | #=cardinal number . Cardinal number is the umber of elements in a set ! |
Fact | Elements can not be repeated |
How are sets opened and closed ? | Sets are opened with a curly bracket { and closed with a curly bracket } |
Null set ? | Has no elements written like {} |
Fact | Null set and the set itself are always a subset |
Improper subset | If one set has all the same elements of another |
Proper subset | If one set is a subset of another set but does not have all the same elements as the set |
Union & intersection | Union is what are in all the sets Instersection is what is in both sets only |
Venn diagrams ? | Are used to represent sets |
Universal set? | Is the rectangle that the sets are sometimes in ! This rectangle and the area of it Is known as the universal set |
Complement | Every thing outside that set |
Elements ? Subset? Equal to | E 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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