@misc{MO467527, AUTHOR = {\href{https://mathoverflow.net/users/130058/emily}{Emily}}, TITLE = {What are the 2-categorical mono/epimorphisms in the 2-category of relations?}, URL = {https://mathoverflow.net/q/467527}, HOWPUBLISHED = {MathOverflow}, SHORTHAND = {\texttt{MO 467527}},
}