mjo-set: adopt \powerset{} from mjo-common.

[mjotex.git] / mjo-common.tex

diff --git a/mjo-common.tex b/mjo-common.tex
index 5971547ed7ddacd1cc7e7739f40d08a32ce632d3..2785d73d8964f95c7fb9a13785b724252e7f6892 100644 (file)
--- a/mjo-common.tex
+++ b/mjo-common.tex
@@ -4,8 +4,9 @@
 \ifx\havemjocommon\undefined
 \def\havemjocommon{1}
 
-
-\input{mjo-font} % amsfonts and \mathpzc
+\ifx\mathbb\undefined
+  \usepackage{amsfonts}
+\fi
 
 \ifx\bigtimes\undefined
   \usepackage{mathtools}
@@ -138,31 +139,6 @@
 \fi
 
 
-% The space of real symmetric n-by-n matrices. Does not reduce to
-% merely "S" when n=1 since S^{n} does not mean an n-fold cartesian
-% product of S^{1}.
-\newcommand*{\Sn}[1][n]{ \mathcal{S}^{#1} }
-\ifdefined\newglossaryentry
-  \newglossaryentry{Sn}{
-    name={\ensuremath{\Sn}},
-    description={the set of $n$-by-$n$ real symmetric matrices},
-    sort=Sn
-  }
-\fi
-
-% The space of complex Hermitian n-by-n matrices. Does not reduce to
-% merely "H" when n=1 since H^{n} does not mean an n-fold cartesian
-% product of H^{1}.
-\newcommand*{\Hn}[1][n]{ \mathcal{H}^{#1} }
-\ifdefined\newglossaryentry
-  \newglossaryentry{Hn}{
-    name={\ensuremath{\Hn}},
-    description={the set of $n$-by-$n$ complex Hermitian matrices},
-    sort=Hn
-  }
-\fi
-
-
 %
 % Basic set operations
 %
@@ -197,15 +173,6 @@
 \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.
 \newcommand*{\intervaloo}[2]{ \left({#1},{#2}\right) } % open-open