@misc{indiciae7d747b1fd208,
  title = {Theory reduction and non-Boolean theories.},
  author = {H Primas},
  year = {1977},
  doi = {10.1007/bf00280978},
  url = {https://pubmed.ncbi.nlm.nih.gov/894154/},
  note = {Source identifier: 894154}
}