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. 2025 May 19;15:17341. doi: 10.1038/s41598-025-01030-1

Table 6.

Triangular membership function scale.

Fuzzy number Linguistic term Scale of fuzzy number
9 Perfect (8, 9, 10)
8 Absolute (7, 8, 9)
7 Very Good (6, 7, 8)
6 Fairly Good (5, 6, 7)
5 Good (4, 5, 6)
4 Preferable (3, 4, 5)
3 Not Bad (2, 3, 4)
2 Weak Advantage (1, 2, 3)
1 Equal (1, 1, 1)