# 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.

### Complement

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

### 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.

### 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.

### 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.

### Symmetric Difference

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

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"Set Theory Symbols." *Symbols.com.* STANDS4 LLC, 2019. Web. 11 Nov. 2019. <https://www.symbols.com/group/93/Set+Theory>.