lie-algebras-and-their-representations

diff --git a/preamble.tex b/preamble.tex
@@ -51,41 +51,46 @@
 % Configure the enumerate environment to use bold roman numerals
 \setenumerate[0]{label={\color{mosgreen}\normalfont \bfseries(\roman*)}}
 
-% Useful theorem definitions
-\BeforeBeginEnvironment{tcolorbox}{\savenotes}
-\AfterEndEnvironment{tcolorbox}{\spewnotes}
+% Macro for creating boxed theorem environments
+\newcounter{theorem}[chapter]
+\renewcommand{\thetheorem}{\thechapter.\arabic{theorem}}
+\newcommand{\newboxedtheorem}[2]
+  {
+    \newtheorem{inner#1}[theorem]{#2}
+    \newenvironment{#1}[1][{}]
+      {
+        \begin{tcolorbox}[colback=thmbackground, colframe=thmrule]
+        \if\relax\detokenize{##1}\relax
+        \begin{inner#1}
+        \else
+        \begin{inner#1}[##1]
+        \fi
+      }
+      {\end{inner#1}\end{tcolorbox}}
+  }
+
+% Green theorem styles
 \newtheoremstyle{coloredtheorem}{}{}{\em}{}{\bf\color{mosgreen}}{.}{.5em}{}
 \newtheoremstyle{coloreddefinition}{}{}{}{}{\bf\color{mosgreen}}{.}{.5em}{}
 \newtheoremstyle{coloredremark}{}{}{}{}{\itshape\color{mosgreen}}{.}{.5em}{}
-% -----------------------------------------------------------------------------
+
+% Useful theorem definitions
 \theoremstyle{coloredtheorem}
-\newtheorem{innertheorem}{Theorem}[chapter]
-\newtheorem{innerlemma}[innertheorem]{Lemma}
-\newtheorem{innercorollary}[innertheorem]{Corollary}
-\newtheorem{innerproposition}[innertheorem]{Proposition}
-\theoremstyle{coloreddefinition}
-\newtheorem{innerdefinition}[innertheorem]{Definition}
-% -----------------------------------------------------------------------------
+\newboxedtheorem{theorem}{Theorem}
+\newboxedtheorem{lemma}{Lemma}
+\newboxedtheorem{corollary}{Corollary}
+\newboxedtheorem{proposition}{Proposition}
 \theoremstyle{coloreddefinition}
-\newtheorem{example}[innertheorem]{Example}
+\newboxedtheorem{definition}{Definition}
+\newtheorem{example}[theorem]{Example}
 \theoremstyle{coloredremark}
 \newtheorem*{note}{Remark}
-% -----------------------------------------------------------------------------
-\newenvironment{theorem}[1][{}]
-  {\begin{tcolorbox}[colback=thmbackground, colframe=thmrule]\begin{innertheorem}[#1]}
-  {\end{innertheorem}\end{tcolorbox}}
-\newenvironment{lemma}[1][{}]
-  {\begin{tcolorbox}[colback=thmbackground, colframe=thmrule]\begin{innerlemma}[#1]}
-  {\end{innerlemma}\end{tcolorbox}}
-\newenvironment{corollary}[1][{}]
-  {\begin{tcolorbox}[colback=thmbackground, colframe=thmrule]\begin{innercorollary}[#1]}
-  {\end{innercorollary}\end{tcolorbox}}
-\newenvironment{proposition}[1][{}]
-  {\begin{tcolorbox}[colback=thmbackground, colframe=thmrule]\begin{innerproposition}[#1]}
-  {\end{innerproposition}\end{tcolorbox}}
-\newenvironment{definition}[1][{}]
-  {\begin{tcolorbox}[colback=thmbackground, colframe=thmrule]\begin{innerdefinition}[#1]}
-  {\end{innerdefinition}\end{tcolorbox}}
+
+% Prevent tcolorbox from bundling footnotes inside color boxes.
+% This prevents footnotes inside of boxed theorems from pilling up inside of
+% the corresponding boxes
+\BeforeBeginEnvironment{tcolorbox}{\savenotes}
+\AfterEndEnvironment{tcolorbox}{\spewnotes}
 
 % Custom page style
 \fancypagestyle{custom}{%