Covering-based rough sets and modal logics. Part II

Awodey, 2010 Banerjee, 1983, A category of rough sets, Found. Comput. Decision Sci., 18, 167 Banerjee, 2007, A categorical basis for granular computing, vol. 4482, 427 Barwise, 1997 Blackburn, 2001 van Benthem, 1989, Notes on modal definability, Notre Dame J. Form. Log., 30, 20, 10.1305/ndjfl/1093634994 Borzooei, 2016, On the category of rough sets, Soft Comput. Bonikowski, 1998, Extensions and intentions in the rough set theory, Inf. Sci., 107, 149, 10.1016/S0020-0255(97)10046-9 Bryniarski, 1989, A calculus of rough sets of the first order, Bull. Pol. Acad. Sci., 36, 71 Diker, 2013, Categories of rough sets and textures, Theor. Comput. Sci., 488, 46, 10.1016/j.tcs.2012.12.020 Goranko, 2007, Model theory of modal logic, 249 Goldblatt, 1975, Axiomatic classes in propositional modal logic, 163 Goldblatt, 1989, Varieties of complex algebras, Ann. Pure Appl. Log., 38, 173, 10.1016/0168-0072(89)90032-8 Hatcher, 1982 Hughes, 1996 Konikowska, 1997, A logic for reasoning about relative similarity, Stud. Log., 1, 185, 10.1023/A:1004952317628 Li, 2008, The category RSC of I-rough sets, 448 Lin, 2013, Multigranulation rough sets: from partition to covering, Inf. Sci., 241, 101, 10.1016/j.ins.2013.03.046 Liu, 2014, On multi-granulation covering rough sets, Int. J. Approx. Reason., 55, 1404, 10.1016/j.ijar.2014.01.002 Lu, 2011, Categorical properties of M-indiscernibility spaces, vol. 412, 5902 Ma, 2016, Covering-based rough sets and modal logics. Part I, Int. J. Approx. Reason., 77, 55, 10.1016/j.ijar.2016.06.002 Pawlak, 1991 Pomykala, 1987, Approximation operations in approximation space, Bull. Pol. Acad. Sci., 35, 653 Qian, 2010, MGRS: a multi-granulation rough set, Inf. Sci., 180, 949, 10.1016/j.ins.2009.11.023 Samanta, 2009, Covering based approaches to rough sets and implication lattices, vol. 5908, 127 Samanta, 2015, Interface of rough set systems and modal logics: a survey, vol. 8988, 114 Slowinski, 2000, A generalized definition of rough approximations based on similarity, IEEE Trans. Knowl. Data Eng., 12, 331, 10.1109/69.842271 Thomason, 1975, Categories of frames for modal logic, J. Symb. Log., 40, 439, 10.2307/2272167 Venema, 2007, Algebras and coalgebras, 331 Yao, 1998, On generalizing Pawlak approximation operators, vol. 1424, 298 Yao, 1998, Constructive and algebraic methods of theory of rough sets, Inf. Sci., 109, 21, 10.1016/S0020-0255(98)00012-7 Yao, 2012, Covering based rough set approximations, Inf. Sci., 200, 91, 10.1016/j.ins.2012.02.065 Zhu, 2007, Generalized rough sets based on relations, Inf. Sci., 177, 4997, 10.1016/j.ins.2007.05.037