From 2b133152c5af28d0f419e5ce78f529b99159500f Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Fri, 29 Jan 2016 21:40:39 +0100
Subject: Tikz

---
 tex/preamble.tex | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'tex')

diff --git a/tex/preamble.tex b/tex/preamble.tex
index a583a3b..8ff41d1 100644
--- a/tex/preamble.tex
+++ b/tex/preamble.tex
@@ -5,5 +5,12 @@
 \usepackage{amsmath}
 \usepackage{mathrsfs}
 
+\usepackage{tikz}
+
+\usetikzlibrary{cd}
+
 \newcommand*{\ca}[1]{\ensuremath{\mathbf{#1}}\xspace}
+\newcommand*{\idarr}[1]{\ensuremath{\mathrm{id}_{#1}}}
+
+\newcommand{\id}{\ensuremath{\mathrm{id}}}
 \renewcommand{\implies}{\rightarrow}
-- 
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