# Vel (symbol)

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**Vel** (**∨**) (*vel* is "or" in Latin) or **descending wedge** is a symbol used to represent:

It was used by Russell and Whitehead in *Principia Mathematica*, where they called it the *Logical Sum* or *Disjunctive Function*. In Unicode the symbol is encoded U+2228 ∨ LOGICAL OR (HTML `∨`

**·** `∨`

) and by `\vee`

and `\lor`

in TeX. The opposite symbol (∧) is called a wedge.