deletions | additions       diff --git a/subsection_Mutual_Information_definition_and__.tex b/subsection_Mutual_Information_definition_and__.tex  index 0da5fa8..7d9e4aa 100644  --- a/subsection_Mutual_Information_definition_and__.tex  +++ b/subsection_Mutual_Information_definition_and__.tex 
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  Let $X: P \rightarrow E$ be a random variable with $E$ a discrete probability space.  The entropy of $X$ is defined as:  \[ S(X) = \sum_{x -\sum_{x  \in E}P_{X}(x)*log(P_{X}(x)) \]   The entropy has three interpretations:   \begin{itemize}