Does anyone know of an easy proof of Shannon-McMillan-Brieman theorem?
Thanks



Shannon-McMillan-Breiman theorem
In addition to Igor's [answer](https://mathoverflow.net/a/82278), there's also:


D. Ornstein and B. Weiss, "[The Shannon–McMillan–Breiman theorem for a class of amenable groups](https://doi.org/10.1007/BF02763171)", *Israel J. Math.* **44** (1983), 53–60. [Zbl 0516.28020](https://zbmath.org/0516.28020)


