diff --git a/Alembic.tex b/Alembic.tex
index 73e9229..42df0f9 100644
--- a/Alembic.tex
+++ b/Alembic.tex
@@ -1,4 +1,4 @@
-p\documentclass[a4paper,twoside, openany]{book}
+\documentclass[a4paper,twoside, openany]{book}
 %% "openany" allows for chapters on odd pages, it would leave a blank page otherwise
 \usepackage[hmarginratio=1:1]{geometry}% equal left and right margins
 \usepackage{hyperref}
@@ -528,4 +528,11 @@ Essentially, a collection
     Laying inert like tin battles with the soul\\
     Until one wins on his own terms
 \end{Verse}
+\chapter{Typeset}
+\begin{displaymath}
+\lim_{I\to \infty}\begin{bmatrix}
+ life & death\\ 
+  action & inaction
+\end{bmatrix}\bigcap \frac{\mathrm{d} }{\mathrm{d} x} \frac{I}{time}\cdot \frac{mine}{shine}^{lying}_{time}\implies Admire \cancel{Aspire}
+\end{displaymath}
 \end{document}