# \rightleftharpoons

#### dwsmith

##### Well-known member
So I am trying to use $\rightleftharpoons$ but I want to label both pieces like $\xleftarrow[y]{x}$.

How can I do this?

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#### Ackbach

##### Indicium Physicus
Staff member
So I am trying to use $\rightleftharpoons$ but I want to label both pieces like $\xleftarrow[y]{x}$.

How can I do this?
Maybe $\underset{y}{\overset{x}{\rightleftharpoons}}$ ?

#### Plato

##### Well-known member
MHB Math Helper
So I am trying to use $\rightleftharpoons$ but I want to label both pieces like $\xleftarrow[y]{x}$.
How can I do this?
\underset{y}{\overset{x}{\longleftrightarrow}} gives $\underset{y}{\overset{x}{\longleftrightarrow}}$

#### Evgeny.Makarov

##### Well-known member
MHB Math Scholar
Also $\mathop{\rightleftharpoons}\limits^x_y$.