1 files changed, 6 insertions, 5 deletions

diff --git a/provider/templates/preamble.tex b/provider/templates/preamble.tex
index 0d76503..1f2c1e4 100644
--- a/provider/templates/preamble.tex
+++ b/provider/templates/preamble.tex
@@ -11,11 +11,12 @@
 \newcommand*{\ca}[1]{\ensuremath{\mathbf{#1}}}
 \newcommand*{\idarr}[1]{\ensuremath{\mathrm{id}_{#1}}}
 
-\newcommand{\id}{\ensuremath{\mathrm{id}}}
+\newcommand*{\id}{\ensuremath{\mathrm{id}}}
 \renewcommand{\implies}{\ensuremath{\rightarrow}}
 
-\newcommand{\N}{\ensuremath{\mathbb{N}}}
-\newcommand{\arr}[3]{\begin{tikzcd}[ampersand replacement=\&]{#1} \rar{#2} \& {#3}\end{tikzcd}}
-\renewcommand{\hom}[3]{\ensuremath{\mathrm{hom}_{#1} \left [ #2, #3 \right ]}}
+\newcommand*{\N}{\ensuremath{\mathbb{N}}}
+\newcommand*{\arr}[3]{\begin{tikzcd}[ampersand replacement=\&]{#1} \rar{#2} \& {#3}\end{tikzcd}}
+\newcommand*{\Hom}[3]{\ensuremath{\mathrm{Hom}_{#1} \left [ #2, #3 \right ]}}
+\newcommand*{\End}[2]{\ensuremath{\mathrm{End}_{#1} \left [ #2 \right ]}}
 
-\newcommand{\powerset}{\raisebox{.15\baselineskip}{\Large\ensuremath{\wp}}}
+\newcommand*{\powerset}{\raisebox{.15\baselineskip}{\Large\ensuremath{\wp}}}