Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
17 Cards in this Set
- Front
- Back
|
Set
|
A well defined collection of objects
|
|
|
Element
|
The symbol ∈
|
|
|
Not an element
|
The symbol ∉
|
|
|
Subset
|
The symbol ⊂
|
|
|
Not a Subset
|
The symbol ⊄
|
|
|
Empty Set
|
A set that contains no members
{ } |
|
|
Intersection
|
S ∩ T means the members that belong to both S and T
|
|
|
Union
|
S ∪ T means the members that belong to either S or T
|
|
|
Roster Description
|
Lists all the members of a set in order
|
|
|
Verbal Description
|
Describes all the members of a set using a statement.
|
|
|
Set Abstractor Description
|
Describes the conditions necessary for belongin to a mathematical set of real numbers.
Ex. x: x>2 |
|
|
Index
|
Letters u to z, closed to substitution and wrtten to the left of the colon in abstractor notation.
|
|
|
Set-Selector
|
The pattern for the property common to all members of the set and written to the right of the colon in abstractor notation.
|
|
|
Inequality
|
A number sentence that compares to numerical expressions using one of the following: <,>,≤,≥
|
|
|
|x-a|=b
|
Can be written as the conjunction:
x-a=b OR x-a=-b |
|
|
|x-a|>b
|
Can be written as the conjunction:
x-a>b OR x-a<-b |
|
|
|x-a|<b
|
Can be written as the conjunction:
-b<x-a<b |
