# Differences

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+ | ===== Logarithmic integral function ===== | ||

+ | ==== Function ==== | ||

+ | | @#FFBB00: definiendum | @#FFBB00: $ \mathrm{li}: \mathbb R_+\to \mathbb R_+$ | | ||

+ | | @#FFBB00: definiendum | @#FFBB00: $ \mathrm{li}(x) := \int_0^x \frac{1}{\ln(t)}\mathrm d t $ | | ||

+ | ==== Discussion ==== | ||

+ | === Reference === | ||

+ | Wikipedia: [[http://en.wikipedia.org/wiki/Logarithmic_integral_function|Logarithmic integral function]] | ||

+ | ==== Parents ==== | ||

+ | === Subset of === | ||

+ | [[ℝ valued function]] | ||

+ | === Requirements === | ||

+ | [[Cauchy principal value]] |