@Inproceedings{EPTCS297.15, author = {Halpern, Joseph Y. and Pass, Rafael}, year = {2019}, title = {A Conceptually Well-Founded Characterization of Iterated Admissibility Using an "All I Know" Operator}, editor = {Moss, Lawrence S.}, booktitle = {{\rm Proceedings Seventeenth Conference on} Theoretical Aspects of Rationality and Knowledge, {\rm Toulouse, France, 17-19 July 2019}}, series = {Electronic Proceedings in Theoretical Computer Science}, volume = {297}, publisher = {Open Publishing Association}, pages = {221-232}, doi = {10.4204/EPTCS.297.15}, }