X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mjotex.git;a=blobdiff_plain;f=mjo-common.tex;fp=mjo-common.tex;h=a8d9aaa50372ecd54ab4d75ff806bb02ad5981ad;hp=27c4c7b3f3d8ee8e81f03bab8f5df3afa6102e3d;hb=123eb0365b7a38288f0cd80a0c70b203b8ff33fd;hpb=66f91bd13a303f46822639420a20b5bffbe7a963

diff --git a/mjo-common.tex b/mjo-common.tex
index 27c4c7b..a8d9aaa 100644
--- a/mjo-common.tex
+++ b/mjo-common.tex
@@ -5,9 +5,7 @@
 \def\havemjocommon{1}
 
 
-\ifx\mathbb\undefined
-  \usepackage{amsfonts}
-\fi
+\input{mjo-font} % amsfonts and \mathpzc
 
 \ifx\bigtimes\undefined
   \usepackage{mathtools}
@@ -200,6 +198,14 @@
 \newcommand*{\directsummany}[3]{ \binopmany{\bigoplus}{#1}{#2}{#3} }
 \newcommand*{\unionmany}[3]{ \binopmany{\bigcup}{#1}{#2}{#3} }
 
+\newcommand*{\powerset}[1]{\mathpzc{P}\of{{#1}}}
+\ifdefined\newglossaryentry
+  \newglossaryentry{powerset}{
+    name={\ensuremath{\powerset{X}}},
+    description={the ``powerset,'' or set of all subsets of $X$},
+    sort=p
+  }
+\fi
 
 % The four standard (UNLESS YOU'RE FRENCH) types of intervals along
 % the real line.