2 files changed, 19 insertions, 3 deletions

diff --git a/provider/templates/preamble.tex b/provider/templates/preamble.tex
new file mode 100644
index 0000000..129eba8
--- /dev/null
+++ b/provider/templates/preamble.tex
@@ -0,0 +1,18 @@
+\usepackage[utf8]{inputenc}
+
+\usepackage{amssymb}
+\usepackage{amsmath}
+\usepackage{mathrsfs}
+
+\usepackage{tikz}
+
+\usetikzlibrary{cd}
+
+\newcommand*{\ca}[1]{\ensuremath{\mathbf{#1}}}
+\newcommand*{\idarr}[1]{\ensuremath{\mathrm{id}_{#1}}}
+
+\newcommand{\id}{\ensuremath{\mathrm{id}}}
+\renewcommand{\implies}{\rightarrow}
+
+\newcommand{\N}{\ensuremath{\mathbb{N}}}
+\newcommand{\arr}[3]{\ensuremath{\begin{tikzcd}[ampersand replacement=\&]{#1} \rar{#2} \& {#3}\end{tikzcd}}}
diff --git a/provider/templates/math.tex b/provider/templates/preview.tex
index 23774bf..da3c585 100644
--- a/provider/templates/math.tex
+++ b/provider/templates/preview.tex
@@ -1,9 +1,7 @@
 \documentclass[14pt,preview,border=1pt,class=extarticle]{standalone}
-\include{preamble}
+$partial("templates/preamble.tex")$
 \begin{document}
 \begin{preview}
-\(
 $body$
-\)
 \end{preview}
 \end{document}