Talk:Pinsker's inequality

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Why is there a reference to the Cover and Thomas here? I checked the Cover and Thomas and could not find Pinsker's inequality in the index. Jossysayir (talk) 17:11, 22 July 2011 (UTC)

Pinsker's inequality is in Cover and Thomas (second edition) as Lemma 11.6.1. pp. 370. It's however not named. — Preceding unsigned comment added by David Pal (talk • contribs) 03:12, 2 April 2012 (UTC)