# Set Theory

#### This page lists of the various symbols in the Set Theory group.

Symbols related to Set Theory

## Symbols in this group:

### Aleph-Null

Aleph-Null represents the infinite cardinality of the set of natural numbers.

### Aleph-One

Aleph-One represents the cardinality of countable ordinal number sets.

### Cardinality

Indicates the number of elements in a set.

### Cartesian Product

A x B is the set of all ordered pairs from A and B.

### Complement

The complement of a set A is the set that contains all elements that are not in set A.

### Complex Numbers

Represents the set that contains all complex numbers.

### Element of

Indicates set membership.

### Empty Set

Represents the set that has no items (i.e., the set that is empty).

### Equality

Indicates that two sets have the same members.

### Everything #2

Everything finite; the full set of definitive knowledge a system is capable of retrieving and ordering.

### Integers

The set of all integer numbers.

### Intersection

The intersection of two sets is the set of objects that belong to both sets.

### Natural Numbers Including Zero

Represents the set of all natural numbers including zero.

### Natural Numbers Without 0

Represents the set that contains all the natural numbers except 0.

### Nomega

Nomega is used for determining sets of numbers that include either a continuous and infinite set of positive numbers and zero OR a continuous and infinite set of negative numbers and zero.

### not element of

Indications that an element is not a member of a set.

### not subset

Indications that a set is not a subset of another set

### Not Superset

Indicates that a set is not a superset of another set.

### Ordered Pair

A set of two elements.

### Power Set

A power set refers to subsets of A.

### Proper Subset (also called a strict subset)

A proper subset is subset that has few elements than the set, i.e., the subset can not be the original set.

### Proper Superset (also called strict superset)

A proper superset is a superset that has more elements than a set.

### Rational Numbers

Represents the set of all rational numbers.

### Real Numbers

Represents the set that contains all real numbers.

### Relative Complement

Refers to objects that belong to one set but are not in the other set.

### set

A set is a collection of elements represented as a comma separated list of elements.

### Set Brackets

A comma separated list of values that represent the members of a set.

### Subset

A subset of a group is a set that contains some or all of the elements of a set.

### Superset

The superset has all the items of a set and possibly additional items.

### Symmetric Difference

Items that belong to two sets but not the intersection of the two sets.

### Taurus

Taurus is the 2nd astrological sign in the zodiac, originating from the constellation of the Taurine.

### Union

The union of two sets is the set of all objects in both sets.

### Universal set

The set that contains all possible values.

### Citation

#### Use the citation below to add this symbols group page to your bibliography:

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"Set Theory Symbols." Symbols.com. STANDS4 LLC, 2024. Web. 9 Aug. 2024. <https://www.symbols.com/group/93/Set+Theory>.

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