The Logical Complexity of Geometric Properties in the Plane

Louis Hodes. The Logical Complexity of Geometric Properties in the Plane. Journal of the ACM, 17(2):339-347, 1970. [doi]

@article{Hodes70,
  title = {The Logical Complexity of Geometric Properties in the Plane},
  author = {Louis Hodes},
  year = {1970},
  doi = {10.1145/321574.321587},
  url = {http://doi.acm.org/10.1145/321574.321587},
  researchr = {https://researchr.org/publication/Hodes70},
  cites = {0},
  citedby = {0},
  journal = {Journal of the ACM},
  volume = {17},
  number = {2},
  pages = {339-347},
}