Sets Flashcards
What are the elements of the set
The members that make up the set
What is a set
A well-defined group of objects.
What is a cardinal number
The number of elements in the set
What are equal sets
Sets that have the same elements
What are equivalent sets
When the sets have the same cardinal number
Why a is a subset
When every element of one set in in another
What is the union of two sets
The set of elements in both sets
What is intersection
The set of elements that occur in both sets.
What does e mean
Is an element of
What does e(with a cros) mean
Is not an element of…
What does # mean
Cardinal number
What does { } mean
Empty set
What does c mean
Is a subset of
What does c(with a cross) mean
Is not. A subset of
What does u mean
Union of two sets
What does n mean
Intersection of two sets
What does U mean
Universal set
What is a vein diagram
A vein diagram is another way to show what is in a set
What is an improper subset
The set and an empty set
What is a proper subset
All of the usuall
