Freyd s Hierarchy of Combinator Monoids

Richard Statman. Freyd s Hierarchy of Combinator Monoids. In Proceedings, Sixth Annual IEEE Symposium on Logic in Computer Science, 15-18 July, 1991, Amsterdam, The Netherlands. pages 186-190, IEEE Computer Society, 1991.

@inproceedings{Statman91,
  title = {Freyd s Hierarchy of Combinator Monoids},
  author = {Richard Statman},
  year = {1991},
  researchr = {https://researchr.org/publication/Statman91},
  cites = {0},
  citedby = {0},
  pages = {186-190},
  booktitle = {Proceedings, Sixth Annual IEEE Symposium on Logic in Computer Science, 15-18 July, 1991, Amsterdam, The Netherlands},
  publisher = {IEEE Computer Society},
}