@article{article, title  = {{Modelling higher-order vagueness: columns, borderlines and boundaries }},

 publisher = {{Wiley}},

 url = {{https://eprints.whiterose.ac.uk/id/eprint/94556 http://dx.doi.org/10.1111/j.1467-8349.2015.00245.x }},

 year = {{2015}},

 month = {{9}},

 author = {{Keefe R}},

 doi = {{10.1111/j.1467-8349.2015.00245.x}},

 volume = {{89}},

 journal = {{Proceedings of the Aristotelean Society, Supplementary Volumes}},

 issue = {{1}},

 pages = {{89-108}},

 note = {{Accessed on 2025/11/28}}}