Вопрос по latex

% @startdot out.eps
...
\includegraphics[width=\textwidth, height=\textheight, keepaspectratio]{out.eps}

\documentclass{article}
\usepackage{amsmath}
\usepackage{tikz-cd}
\newcommand{\pr}{\mathrm{pr}}
\tikzcdset{row sep/normal=1.5cm, column sep/normal=1.5cm}
\begin{document}
\[
  \begin{tikzcd}
    & c \arrow[ld, "f"'] \arrow[rd, "g"] \arrow[d, dashed, "{\langle f,g\rangle}"]\\
    a & a\times b \arrow[l, "\pr_a"'] \arrow[r, "\pr_b"]& b
  \end{tikzcd}
\]
\[
  \begin{tikzcd}
    & d \arrow[ld, "p"'] \arrow[rd, "q"] \arrow[d, dashed, "{\langle p,q\rangle}"]\\
    a & a\times b \arrow[l, "\pr_a"'] \arrow[r, "\pr_b"]
           \arrow[d, dashed, "{\langle\pr_a,\pr_b\rangle}" near start]& b\\
    & d \arrow[lu, "p"] \arrow[ru, "q"']
  \end{tikzcd}
\]
\end{document}