On Characterization of Rough Type-2 Fuzzy Sets

Table 1

A type-2 fuzzy information system.

Object
	1	2	3	1	(0.7, 0.75, 0.8, 0.85)	(0.2, 0.3, 0.4, 0.6)
	1	2	1	3	(0.5, 0.6, 0.8)	(0.2, 0.7, 0.8, 0.96)
	1	2	3	1	(0.57, 0.7, 0.8, 0.85)	(0.58, 0.7, 0.8)
	1	2	1	3	(0.8, 0.85, 0.9, 1)	(0.86, 0.9, 0.96)
	1	3	1	2	(0.8, 0.9, 0.95)	(0.6, 0.75, 0.85, 0.9)
	1	2	1	3	(0.4, 0.8, 0.95)	(0.7, 0.86, 0.9)
	1	3	1	2	(0.75, 0.85, 0.9, 1)	(0.75, 0.8, 0.96)
	1	2	3	1	(0.8, 0.9, 1)	(0.47, 0.65, 0.8, 1)