big update, better formalization for pegsol

[ar1516.git] / a2 / pre.tex

diff --git a/a2/pre.tex b/a2/pre.tex
index 7970698..b9325ec 100644 (file)
--- a/a2/pre.tex
+++ b/a2/pre.tex
@@ -7,6 +7,8 @@
 \usepackage{amsmath} % For nice tables
 \usepackage{listings} % For nice tables
 \usepackage{float} % For nice tables
+\usepackage{graphicx}
+\usepackage{xypic}
 
 \everymath{\displaystyle}