Affiliations: Center for Soft Computing Research, Indian Statistical Institute, 203, B.T. Road, Kolkata 700108, India, and School of Cognitive Science, Jadavpur University, Raja S.C. Mullick Road, Kolkata 700032, India. mihirc4@gmail.com | Department of Mathematics and Statistics, Indian Institute of Technology Kanpur, Kanpur 208016, India. mohua@iitk.ac.in
Note: [] Address for correspondence: Department of Mathematics and Statistics, Indian Institute of Technology Kanpur, Kanpur 208016, India. We thank the referees for their valuable comments.
Abstract: The article analyses prevalent definitions of rough sets from the foundational and mathematical perspectives. In particular, the issue of language dependency in the definitions, and implications of the definitions on the issue of vagueness are discussed in detail.
