@InProceedings{traytel:LIPIcs.FSCD.2016.31, author = {Traytel, Dmitriy}, title = {{Formal Languages, Formally and Coinductively}}, booktitle = {1st International Conference on Formal Structures for Computation and Deduction (FSCD 2016)}, pages = {31:1--31:17}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-010-1}, ISSN = {1868-8969}, year = {2016}, volume = {52}, editor = {Kesner, Delia and Pientka, Brigitte}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.FSCD.2016.31}, URN = {urn:nbn:de:0030-drops-59853}, doi = {10.4230/LIPIcs.FSCD.2016.31}, annote = {Keywords: Formal languages, codatatypes, corecursion, coinduction, interactive theorem proving, Isabelle HOL} }