Index: doc/theses/aaron_moss_PhD/phd/thesis.tex
===================================================================
--- doc/theses/aaron_moss_PhD/phd/thesis.tex	(revision 7b61ce8ea2308f763a17d6be356b8098e0acd1f1)
+++ doc/theses/aaron_moss_PhD/phd/thesis.tex	(revision cde3891cf6fad8f4992b15ba425f866841ab9912)
@@ -23,4 +23,7 @@
 % \usepackage[pdftex]{graphicx} % For including graphics N.B. pdftex graphics driver 
 \usepackage{graphicx}
+
+\usepackage{amsthm} % for theorem environment
+\newtheorem{theorem}{Theorem}
 
 \usepackage{footmisc} % for double refs to the same footnote