Joseph Y. Halpern, Leandro Chaves Rêgo. Reasoning about knowledge of unawareness revisited. Mathematical Social Sciences, 70:10-22, 2014. [doi]
@article{HalpernR14,
title = {Reasoning about knowledge of unawareness revisited},
author = {Joseph Y. Halpern and Leandro Chaves Rêgo},
year = {2014},
doi = {10.1016/j.mathsocsci.2014.04.005},
url = {http://dx.doi.org/10.1016/j.mathsocsci.2014.04.005},
researchr = {https://researchr.org/publication/HalpernR14},
cites = {0},
citedby = {0},
journal = {Mathematical Social Sciences},
volume = {70},
pages = {10-22},
}