@InProceedings{polonsky:LIPIcs.TYPES.2014.221, author = {Polonsky, Andrew}, title = {{Extensionality of lambda-*}}, booktitle = {20th International Conference on Types for Proofs and Programs (TYPES 2014)}, pages = {221--250}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-939897-88-0}, ISSN = {1868-8969}, year = {2015}, volume = {39}, editor = {Herbelin, Hugo and Letouzey, Pierre and Sozeau, Matthieu}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.TYPES.2014.221}, URN = {urn:nbn:de:0030-drops-54995}, doi = {10.4230/LIPIcs.TYPES.2014.221}, annote = {Keywords: Extensionality, logical relations, type theory, lambda calculus, reflection} }