X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mjotex.git;a=blobdiff_plain;f=mjo-theorem-star.tex;h=b8ed63c0ff5713bbb323100eddce77d780e0a447;hp=ec6b87851a8179d200a7021aa258fa7074b909db;hb=HEAD;hpb=829e670e2ee973909b6fcf36031fcf669cbdb922

diff --git a/mjo-theorem-star.tex b/mjo-theorem-star.tex
index ec6b878..b8ed63c 100644
--- a/mjo-theorem-star.tex
+++ b/mjo-theorem-star.tex
@@ -1,11 +1,17 @@
 %
 % Unnumbered versions of the mjo-theorem environments.
 %
+\ifx\havemjotheoremstar\undefined
+\def\havemjotheoremstar{1}
 
-\usepackage{amsthm}
+
+\ifx\theoremstyle\undefined
+  \usepackage{amsthm}
+\fi
 
 \theoremstyle{plain}
 \newtheorem*{corollary*}{Corollary}
+\newtheorem*{exercise*}{Exercise}
 \newtheorem*{lemma*}{Lemma}
 \newtheorem*{proposition*}{Proposition}
 \newtheorem*{theorem*}{Theorem}
@@ -16,3 +22,6 @@
 
 \theoremstyle{remark}
 \newtheorem*{remark*}{Remark}
+
+
+\fi