They appear on the left of the diagram and not near arrows.
What am I doing wrong? Thanks.
Code: Select all
\documentclass[a4paper, 12pt]{article}
\usepackage{pb-diagram}
\begin{document}
\[
\begin{diagram}
\node{A\otimes A\otimes A} \arrow[2]{e, t}{m\otimes id} \arrow{s, l}{id \otimes m}
\node[2]{A\otimes A} \arrow{s, r}{m} \\
\node{A\otimes A} \arrow[2]{e, t}{m}
\node[2]{A}
\end{diagram}
\]
\[
\begin{diagram}
\node[2]{A\otimes A} \arrow[2]{s, r}{m} \\
\node{k\otimes A} \arrow{ne, t}{u\otimes id} \arrow{se}
\node[2]{A\otimes k} \arrow{nw, t}{id\otimes u} \arrow{sw} \\
\node[2]{A}
\end{diagram}
\[
\begin{diagram}
\node{C} \arrow[2]{e, t}{\Delta} \arrow{s, l}{\Delta}
\node[2]{C\otimes C} \arrow{s, r}{\Delta \otimes id} \\
\node{C\otimes C} \arrow[2]{e, t}{id \otimes \Delta}
\node[2]{C\otimes C\otimes C}
\end{diagram}
\]
\[
\begin{diagram}
\node[2]{C} \arrow[2]{s, r}{\Delta} \arrow{se, t}{\otimes 1} \arrow{sw, t}{1\otimes} \\
\node{k\otimes C}
\node[2]{C\otimes k} \\
\node[2]{C\otimes C} \arrow{nw, b}{\epsilon \otimes id} \arrow{ne, b}{id\otimes \epsilon}
\end{diagram}
\]
\end{document}