Reverse mathematics, trichotomy, and dichotomy

François G. Dorais, Jeffry L. Hirst, Paul Shafer. Reverse mathematics, trichotomy, and dichotomy. J. Logic & Analysis, 4, 2012. [doi]

@article{DoraisHS12,
  title = {Reverse mathematics, trichotomy, and dichotomy},
  author = {François G. Dorais and Jeffry L. Hirst and Paul Shafer},
  year = {2012},
  url = {http://logicandanalysis.org/index.php/jla/article/view/170/64},
  researchr = {https://researchr.org/publication/DoraisHS12},
  cites = {0},
  citedby = {0},
  journal = {J. Logic & Analysis},
  volume = {4},
}