@Inproceedings{EPTCS335.24, author = {Naumov, Pavel and Tao, Jia}, year = {2021}, title = {Attainable Knowledge and Omniscience}, editor = {Halpern, Joseph and Perea, Andr\'es}, booktitle = {{\rm Proceedings Eighteenth Conference on} Theoretical Aspects of Rationality and Knowledge, {\rm Beijing, China, June 25-27, 2021}}, series = {Electronic Proceedings in Theoretical Computer Science}, volume = {335}, publisher = {Open Publishing Association}, pages = {251-265}, doi = {10.4204/EPTCS.335.24}, }