@misc{indiciaefd803736b8af,
  title = {Combination and structure, not gradedness, is the issue.},
  author = {Steven Pinker and Michael Ullman},
  year = {2002},
  doi = {10.1016/s1364-6613(02)02013-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/12457898/},
  note = {Source identifier: 12457898}
}