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% \newcommand\splitrule[2]{\parbox[t]{4.25in}{\parbox{2.75in}{#1}\parbox{1.25in}{#2}}}
\newcommand\mathbox[2]{
\parbox{#1}{
\begin{equation*}#2
\end{equation*}}}
\newcommand\splitshort[2]{
\parbox[t]{4in}{
\parbox{2.25in}{#1}
\parbox{1.7in}{#2}}}
\newcommand\gensplitmath[2]{
\parbox[t]{4in}{
\mathbox{2in}{#1}
\mathbox{2in}{#2}}}
\newcommand\gentrisplitmath[3]{
\parbox[t]{4.25in}{
\centering
\mathbox{1.25in}{#1}
\mathbox{1.25in}{#2}
\mathbox{1.25in}{#3}}}
% \newcommand\gentrisplit[3]{\parbox[t]{4.5in}{\parbox{1.5in}{#1}\parbox{1.5in}{#2}\parbox{1.5in}{#3}}}
\newcommand\jumpbox[1]{
\tikz[baseline=(n.base)]{
\node(n)[inner sep=1pt]{$#1$};
\draw[line cap=round]
(n.south west)
--(n.north west)
--(n.north east)
--(n.south east);}}
\newcommand\tacklebox[1]{
\tikz[baseline=(n.base)]{
\node(n)[inner sep=1pt]{$#1$};
\draw[line cap=round]
($ (0, 0.25em) + (n.north) $)
-- ($ (0.2em, -0.1em) + (n.south east) $)
.. controls ($ (-0.35em,0.1em) + (n.south) $)
.. cycle;}}
\newcommand\steppy[1]{
\tikz[baseline=(n.base)]{
\node(n)[inner sep=1pt]{$#1$};
\draw[line cap=round]
(n.south west) parabola
bend ($ (0.4em,0.3em)+(n.north west) $)
($ (0.1em,0)+(n.north) $);}}
\newcommand\eyeO[1]{\ensuremath{#1\mathord{\wedge}}}
\newcommand\eyeC[1]{\ensuremath{#1\mathord{\vee}}}
\newcommand\blows[2]{\ensuremath{#1\equiv#2}}
\newcommand\pushes[2]{\ensuremath{#1\sqsupset#2}}
\newcommand\jumpsover[2]{\ensuremath{#1\:\jumpbox{\:#2\:}}}
\newcommand\shadows[2]{\ensuremath{#1^\infty#2}}
\newcommand\tackles[2]{\ensuremath{#1\tacklebox{\,#2}}}
\newcommand\stepson[2]{\ensuremath{#1\:\steppy{\:#2}}}
\newcommand\flee[1]{\ensuremath{#1\raisebox{-1pt}{\intprod}}}
\newcommand\probly[1]{\ensuremath{(#1)}}
\newcommand\onehalf{\ensuremath{\sfrac{1}{2}}}
\newcommand\onequarter{\ensuremath{\sfrac{1}{4}}}
\newcommand\threequarters{\ensuremath{\sfrac{3}{4}}}
\newcommand\crouch[1]{\ensuremath{#1\threequarters}}
\newcommand\scoot[1]{\ensuremath{#1\onehalf}}
\newcommand\crawl[1]{\ensuremath{#1\onequarter}}
\newcommand\squat[1]{\ensuremath{\scoot{#1}}}
\newcommand\aboveU[1]{\ensuremath{#1\mathord{>}}}
\newcommand\belowU[1]{\ensuremath{#1\mathord{<}}}
% shortcuts
\newcommand\BEQ[1]{\begin{equation*}#1\end{equation*}}
\newcommand\BG[1]{\begin{gathered}#1\end{gathered}}
% change line spacing in amsmath align envs
\setlength\jot{0.5pt}
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