Inspec keywords: fuzzy set theory; approximation theory; rough set theory

Other keywords: adjoint triples; intuitionistic fuzzy indiscernibility relation; fuzzy information systems; artificial intelligence; multiadjoint theory; attribute reduction; multiadjoint intuitionistic fuzzy rough sets; multiadjoint approximation operators; intuitionistic fuzzy IS; heuristic algorithm

Subjects: Combinatorial mathematics; Combinatorial mathematics; Combinatorial mathematics; Numerical analysis; Interpolation and function approximation (numerical analysis); Numerical approximation and analysis; Algebra, set theory, and graph theory; Interpolation and function approximation (numerical analysis)