@article{thecategoryofnodeandchoiceformswith,
  title = {The Category of Node-and-Choice Forms, with Subcategories for Choice-Sequence Forms and Choice-Set Forms},
  year = {2019},
  eprint = {1904.12085},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1904.12085v1},
}