\setlength{\parindent}{0pt}
\setlength{\parskip}{1em}

\DeclareMathOperator{\Specinternal}{Spec}
\newcommand\Spec{\glsref[Spec_symbol]{\Specinternal}}
\newcommand\V{\glsref[V_symbol]{V}}

\newcommand\twofuncs[2]{
  \begin{tikzcd}[ampersand replacement=\&]
    \phantom{}
    \ar[shift left=3pt, r, "#1"]
    \ar[shift right=3pt, r, swap, "#2"]
    \& \phantom{}
  \end{tikzcd}
}