GNUmakefile: remove inappropriate PYTHONPATH mangling.

[mjotex.git] / mjo-common.tex

diff --git a/mjo-common.tex b/mjo-common.tex
index e74648416d8a02bb7128c7f50275daecb5e7d3a8..a8d9aaa50372ecd54ab4d75ff806bb02ad5981ad 100644 (file)
--- 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}
@@ -37,6 +35,18 @@
 % A triple of things.
 \newcommand*{\triple}[3]{ \left({#1},{#2},{#3}\right) }
 
+% A four-tuple of things.
+\newcommand*{\quadruple}[4]{ \left({#1},{#2},{#3},{#4}\right) }
+
+% A five-tuple of things.
+\newcommand*{\quintuple}[5]{ \left({#1},{#2},{#3},{#4},{#5}\right) }
+
+% A six-tuple of things.
+\newcommand*{\sextuple}[6]{ \left({#1},{#2},{#3},{#4},{#5},{#6}\right) }
+
+% A seven-tuple of things.
+\newcommand*{\septuple}[7]{ \left({#1},{#2},{#3},{#4},{#5},{#6},{#7}\right) }
+
 % The Cartesian product of two things.
 \newcommand*{\cartprod}[2]{ {#1}\times{#2} }
 
@@ -188,6 +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.