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Fungrim entry: ee86fb

{W ⁣(x):x(e1,)}=(1,)\left\{ W\!\left(x\right) : x \in \left(-{e}^{-1}, \infty\right) \right\} = \left(-1, \infty\right)
\left\{ W\!\left(x\right) : x \in \left(-{e}^{-1}, \infty\right) \right\} = \left(-1, \infty\right)
Fungrim symbol Notation Short description
LambertWW ⁣(z)W\!\left(z\right) Lambert W-function
OpenInterval(a,b)\left(a, b\right) Open interval
Expez{e}^{z} Exponential function
Infinity\infty Positive infinity
Source code for this entry:
    Formula(Equal(Set(LambertW(x), ForElement(x, OpenInterval(Neg(Exp(-1)), Infinity))), OpenInterval(-1, Infinity))))

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2021-03-15 19:12:00.328586 UTC