chaloner

1 files changed, 4 insertions, 1 deletions

diff --git a/definitions.tex b/definitions.tex
index 139a6db..378781d 100644
--- a/definitions.tex
+++ b/definitions.tex
@@ -1,9 +1,12 @@
+\newcommand{\mutual}{\ensuremath{{I}}}
+\newcommand{\entropy}{\ensuremath{{H}}}
 \newtheorem{lemma}{Lemma}
 \newtheorem{fact}{Fact}
 \newtheorem{example}{Example}
 \newtheorem{prop}{Proposition}
 \newtheorem{theorem}{Theorem}
-\newcommand*{\defeq}{\stackrel{\text{def}}{=}}
+%\newcommand*{\defeq}{\stackrel{\text{def}}{=}}
+\newcommand*{\defeq}{\equiv}
 \newcommand{\var}{\mathop{\mathrm{Var}}}
 \newcommand{\condexp}[2]{\mathop{\mathbb{E}}\left[#1|#2\right]}
 \newcommand{\expt}[1]{\mathop{\mathbb{E}}\left[#1\right]}