I consider the phenomenon of conflation—treating distinct things as one—and develop logical tools for modeling it. These tools involve a purely consequence-theoretic treatment, independent of any proof or model theory, as well as a four-valued valuational treatment.
"Blurring: An Approach to Conflation." Notre Dame J. Formal Logic 59 (2) 171 - 188, 2018. https://doi.org/10.1215/00294527-2017-0025