@Inproceedings{EPTCS8.5, author = {Guttman, Joshua}, year = {2009}, title = {Security Theorems via Model Theory}, editor = {Fr\"oschle, Sibylle and Gorla, Daniele}, booktitle = {{\rm Proceedings 16th International Workshop on} Expressiveness in Concurrency, {\rm Bologna, Italy, 5th September 2009}}, series = {Electronic Proceedings in Theoretical Computer Science}, volume = {8}, publisher = {Open Publishing Association}, pages = {51-65}, doi = {10.4204/EPTCS.8.5}, }