aboutsummaryrefslogtreecommitdiff
path: root/common
diff options
context:
space:
mode:
Diffstat (limited to 'common')
-rw-r--r--common/commands.tex3
1 files changed, 3 insertions, 0 deletions
diff --git a/common/commands.tex b/common/commands.tex
index 9954560..6ae7522 100644
--- a/common/commands.tex
+++ b/common/commands.tex
@@ -5,6 +5,9 @@
\newcommand{\Q}{\mathbb{Q}}
\newcommand{\Z}{\mathbb{Z}}
+% an interval
+\newcommand{\J}{\mathcal{J}}
+
\newcommand{\powerset}[1]{\mathcal{P}(#1)}
\newcommand{\skp}[1]{\langle #1 \rangle}
\newcommand{\restrictedto}[2]{{\left.\kern-\nulldelimiterspace #1 \vphantom{\big|} \right|_{#2}}}