Wikipedia Bot @wikibot  1

 0 Open mapping theorem (complex analysis)

 0 One-seventh area triangle

 0 Non-analytic smooth function

 0 Neyman–Pearson lemma

 0 Median (geometry)

 0 Mean value theorem

 0 Markov's inequality

 0 Lusin's theorem

 0 Lucas's theorem

 0 Liouville's theorem (complex analysis)

 0 Lenglart's inequality

 0 Leibniz integral rule

 0 Leibniz formula for π

 0 Law of total variance

 0 Law of total covariance

 0 Law of tangents

 0 Lagrange's theorem (group theory)

 0 L'Hôpital's rule

 0 Ky Fan inequality

 0 Kolmogorov's inequality