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Line 1: :''See also [[logarithmic integral]] for other senses.'' In [[mathematics]], the '''logarithmic integral function''' or '''integral logarithm''' li(''x'') is a [[special function]]. It occurs in problems of [[physics]] and has [[number theory\|number theoretic]] significance, occuring in the [[prime number theorem]] as an [[estimate]] of the number of [[prime number]]s less than a given value. [[Image:Logarithmic_integral.svg\|thumb\|right\|Logarithmic integral]] ==Integral representation==

Logarithmic integral function: Difference between revisions