@inproceedings{hoffman-1993-formal, title = "The Formal Consequences of Using Variables in {CCG} Categories", author = "Hoffman, Beryl", booktitle = "31st Annual Meeting of the Association for Computational Linguistics", month = jun, year = "1993", address = "Columbus, Ohio, USA", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/P93-1045/", doi = "10.3115/981574.981620", pages = "298--300" }