diff --git a/template.tex b/template.tex
index 24e932e..7d4d9b3 100644
--- a/template.tex
+++ b/template.tex
@@ -603,14 +603,22 @@
 \let\ola\overleftarrowsmall
 \let\ol\overlinesmall
 \let\ul\underlinesmall
-\newcommand{\parallelsum}{\mathbin{\!/\mkern-5mu/\!}}
-\newcommand{\TextCircled}[1]{\text{\raisebox{.6pt}{\textcircled{\raisebox{-.9pt}{#1}}}}}
+\let\olras\overleftrightarrowsmall
+\let\oras\overrightarrowsmall
+\let\olas\overleftarrowsmall
+\let\ols\overlinesmall
+\let\uls\underlinesmall
+\ProvideDocumentCommand{\parallelsum}{}{\mathbin{\!/\mkern-5mu/\!}}
+\ProvideDocumentCommand{\TextCircled}{m}{\text{\raisebox{.6pt}{\textcircled{\raisebox{-.9pt}{#1}}}}}
 \makeatletter\tikzset{dot diameter/.store in=\dot@diameter,dot diameter=1pt,dot spacing/.store in=\dot@spacing,dot spacing=5.5pt,dots/.style={line width=\dot@diameter,line cap=round,dash pattern=on 0pt off \dot@spacing}}\makeatother
 \let\FB\FloatBarrier
 \let\La\Leftarrow
+\let\Lar\Leftarrow
 \let\Lra\Leftrightarrow
+\let\Lrar\Leftrightarrow
 \let\Ns\Needspace
 \let\Ra\Rightarrow
+\let\Rar\Rightarrow
 \let\amp\&
 \let\apx\approx
 \let\cd\cdot
@@ -620,6 +628,7 @@
 \let\cpt\caption
 \let\ctr\centering
 \let\da\downarrow
+\let\dar\downarrow
 \let\dds\ddots
 \let\dgb\diagbox
 \let\f\frac
@@ -631,9 +640,11 @@
 \let\ift\infty
 \let\ip\input
 \let\la\leftarrow
+\let\lar\leftarrow
 \let\lds\ldots
 \let\lh\lineheight
 \let\lra\leftrightarrow
+\let\lrar\leftrightarrow
 \let\lrh\leftrightharpoons
 \let\lw\linewidth
 \let\mb\mathbf
@@ -670,6 +681,7 @@
 \let\pk\textperthousand
 \let\prp\propto
 \let\ra\rightarrow
+\let\rar\rightarrow
 \let\rl\relax
 \let\rlh\rightleftharpoons
 \let\rsb\raisebox
@@ -690,6 +702,7 @@
 \let\tw\textwidth
 \let\tx\text
 \let\ua\uparrow
+\let\uar\uparrow
 \let\vds\vdots
 \let\vf\vfill
 \let\vs\vspace