1. Appel, A.W., Felty, A.P.: Dependent types ensure partial correctness of theorem provers. J. Funct. Program. 14(1), 3–19 (2004). Cambridge University Press
2. Asher, N., Vieu, L.: Toward a geometry of common sense: a semantics and a complete axiomatization of mereotopology. In: Proceedings of the International Joint Conference on Artificial Intelligence (IJCAI-95), Montreal (1995)
3. ILCLI Series I;M Aurnague,1995
4. Barthe, G., Capretta, V., Pons, O.: Setoids in type theory. J. Funct. Program. 13(2), 261–293 (2003)
5. Bennett, B.: A categorical axiomatisation of region-based geometry. Fundam. Informaticae 46(1–2), 145–158 (2001)