Logarithmic integral function: Difference between revisions

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:<math> 1+\frac{1}{\ln x} < \operatorname{li}(x) \frac{\ln x}{x} < 1+\frac{1}{\ln x}+\frac{3}{(\ln x)^2} </math>
 
Forfor all <math>\ln x \ge 11</math>.
 
==Number theoretic significance==