@InProceedings{grossi:DagSemProc.09121.8, author = {Grossi, Davide}, title = {{A note on brute vs. institutional facts}}, booktitle = {Normative Multi-Agent Systems}, pages = {1--10}, series = {Dagstuhl Seminar Proceedings (DagSemProc)}, ISSN = {1862-4405}, year = {2009}, volume = {9121}, editor = {Guido Boella and Pablo Noriega and Gabriella Pigozzi and Harko Verhagen}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.09121.8}, URN = {urn:nbn:de:0030-drops-19103}, doi = {10.4230/DagSemProc.09121.8}, annote = {Keywords: Modal logic, brute and institutional facts} }