# Did Euler have an alpha function

I've heard of Euler Gamma function: $\Gamma(x)$, and Euler's beta function: $\text{B}(x,y)$. Did Euler have an alpha function?

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BETA and GAMMA FUNCTIONS. These terms derive from the symbols $\text B$ and $\Gamma$ used to denote the functions that Adrien Marie Legendre (1752-1833) called the Eulerian integral of the first kind and second kind. Legendre introduced the symbol $\Gamma$ and Binet introduced the symbol $\text B$.