See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/228932049 Modal Definability over a Class of Structures with Two Equivalence Relations Article CITATIONS 0 READS 25 3 authors, including: Some of the authors of this publication are also working on these related projects: Mereotopology: static and dynamic View project Tsvetan Chavdarov Dunchev (Цветан Дун… University of Bologna 10 PUBLICATIONS 16 CITATIONS SEE PROFILE Tinko Tinchev Sofia University "St. Kliment Ohridski" 24 PUBLICATIONS 420 CITATIONS SEE PROFILE All content following this page was uploaded by Tinko Tinchev on 09 January 2017. The user has requested enhancement of the downloaded file. All in-text references underlined in blue are added to the original document and are linked to publications on ResearchGate, letting you access and read them immediately.