@incollection{Klimczak2023, author = {Peter Klimczak}, title = {Fiction, Fake and Fact: A Set-Theoretic Modeling Together with a Discussion of Represented Worlds}, booktitle = {Truth and Fake in the Post-Factual Digital Age}, editor = {Peter Klimczak and Thomas Zoglauer}, isbn = {978-3-658-40405-5}, year = {2023}, }