# Mathematical Symbols Page #9

#### This page lists all the various symbols in the Mathematical Symbols category.

This is a list of symbols found within all branches of mathematics.

## Symbols in this category:

### There exists exactly one

There is exactly one value of x for which x is true.

### Therefore

Specifies because of a set conditions therefore another condition is true.

### True

This symbol represents the boolean value "true".

### Union

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

### Universal Quantification

This represents "for all" (or better "for each") or "given any".

### Universal set

The set that contains all possible values.

### Vertical Bar

The vertical bar (|) is a character with various uses in mathematics, computing, and typography. It may be called by various other names including the polon, pipe (by the Unix community, referring to the I/O pipeline construct), Sheffer stroke (by computer or mathematical logicians), verti-bar, vbar, stick, vertical line, straight vertical line, vertical slash, or bar, glidus, think colon, poley, or divider line.

### xor (exclusive or)

The result of A xor B is true if A is True or B is True but not both True.

### Zero

Zero is the number before 1 and after -1. It is used as a place holder in base ten systems.

### Citation

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

Style:MLAChicagoAPA

"Mathematical Symbols." Symbols.com. STANDS4 LLC, 2023. Web. 30 May 2023. <https://www.symbols.com/category/36/Mathematical+Symbols>.

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