@InProceedings{borlido_et_al:LIPIcs.CSL.2017.13, author = {Borlido, C\'{e}lia and Czarnetzki, Silke and Gehrke, Mai and Krebs, Andreas}, title = {{Stone Duality and the Substitution Principle}}, booktitle = {26th EACSL Annual Conference on Computer Science Logic (CSL 2017)}, pages = {13:1--13:20}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-045-3}, ISSN = {1868-8969}, year = {2017}, volume = {82}, editor = {Goranko, Valentin and Dam, Mads}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CSL.2017.13}, URN = {urn:nbn:de:0030-drops-77060}, doi = {10.4230/LIPIcs.CSL.2017.13}, annote = {Keywords: C-variety of languages, typed monoid, Boolean space with an internal monoid, substitution principle, semidirect product} }